OT-2026-000056256
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, sustained blow-off after set-down
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-2026-000056256) never changes.
Identity and time
| Publication number | OT-2026-000056256 · never reused |
|---|---|
| Internal UUID | 01a0ae87-4bd1-72e4-940a-06a3aa36db9c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:37.517586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056256 |
| Status | PUBLIC |
Content hashes
| Canonical text | 61b16c14e670083437cc13fdc27394cce4af82675e2b8352275119e7fb76430b |
|---|---|
| Markdown | 4b2247c40be056641ad219d5ae2f47995cb7bcbf896ccf57de53529d6ed26eeb |
| Publication page | cf594f67175c3a3e5b15231d6552d61cae967f9de0eddad4e1417c0dfa8ebb63 |
| Manifest | 0cc0863c4139355c09e3bceb5ce4af9343f1afa59bb423c1f0ef3f6e91811ee6 |
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 | HZ9NwZamoya0CFjswZ0U+oTvbWZVfEoNVIoQsKv8vsI2uni6ucuBtfSxK6o9jnshxFs0dZWm8ODOgonZ3JYvAg== |
| 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... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:50:44.357378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056256observed cf594f67175c3a3e5b15231d6552d61c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:44.337223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056256/manifest.jsonobserved 0cc0863c4139355c09e3bceb5ce4af93...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:44.319971Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056256/publication.mdobserved 4b2247c40be056641ad219d5ae2f4799...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:44.302437Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056256/publication.txtobserved 61b16c14e670083437cc13fdc27394cc...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|