OT-2026-000059796
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, sustained blow-off after set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000059796) never changes.
Identity and time
| Publication number | OT-2026-000059796 · never reused |
|---|---|
| Internal UUID | 01a0ae89-ec25-7bd9-a8f7-d2fb3b8eeda9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:44:29.732559Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000059796 |
| Status | PUBLIC |
Content hashes
| Canonical text | 62a7ed219ecc204aa04d9c8069d10e7e2cd4792defd85337dac45a966b56f647 |
|---|---|
| Markdown | 0c470b7640f47ea63e622a9d851d85599de115df1b897ca8c0bea1a7c386a940 |
| Publication page | 5469f9244a5a57a120f65960a715e3a419e0b5b6aa4b32fe37f8814bb8040a2c |
| Manifest | 6d9d940faefcd0229d276c383d79e029b3e65d5ea078e95bb517dc75e392134d |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | U4S7+B9Xa22FJ5tkrw72RAqSvJBbGaLbNjHPDja5HWz169GvQQL0qJ95uFLptAMIN+9ymED6yufYev8b4mmvBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-10-02T08:41:07.820874Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059796observed 5469f9244a5a57a120f65960a715e3a4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-02T08:41:07.758363Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059796/manifest.jsonobserved 6d9d940faefcd0229d276c383d79e029...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T08:41:07.708537Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059796/publication.mdobserved 0c470b7640f47ea63e622a9d851d8559...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T08:41:07.598791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059796/publication.txtobserved 62a7ed219ecc204aa04d9c8069d10e7e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T08:41:21.191611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059796observed 5469f9244a5a57a120f65960a715e3a4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T08:41:21.141622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059796/manifest.jsonobserved 6d9d940faefcd0229d276c383d79e029...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T08:41:21.081767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059796/publication.mdobserved 0c470b7640f47ea63e622a9d851d8559...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T08:41:21.019108Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000059796/publication.txtobserved 62a7ed219ecc204aa04d9c8069d10e7e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|