OT-2026-000015251
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, pulsed blow-off before 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-2026-000015251) never changes.
Identity and time
| Publication number | OT-2026-000015251 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-ef48-7468-a1c1-671d26a80ba4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:55.421510Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015251 |
| Status | PUBLIC |
Content hashes
| Canonical text | cc7f612291bf299aa9158f5e36e1ac79ab16fe07b4ba0ffce18c107557f8084e |
|---|---|
| Markdown | 8c2f5ddf987da4faea55b0a03393a124fc17c35061a5543fac055f07ae6328bc |
| Publication page | 322afac99b690fa669b1baa56dcabb0dee2bd48fa7f758ebfd8beb1d0314fb7e |
| Manifest | bfb54626bd23e53fdefc9c84b88ae00882c8217710b539afdb5e746f7eaabad4 |
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 | QyQyVxEsCUTBLSc1bxwvWeGV1A6Vmd5ye6pBQTQD5IBpnpRqRH068CGzZHylLJR+fidliRL40CD2j2AvdNB6DQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T12:05:55.207938Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015251observed 322afac99b690fa669b1baa56dcabb0d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:05:55.187235Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015251/manifest.jsonobserved bfb54626bd23e53fdefc9c84b88ae008...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:55.166600Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015251/publication.mdobserved 8c2f5ddf987da4faea55b0a03393a124...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:55.109499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015251/publication.txtobserved cc7f612291bf299aa9158f5e36e1ac79...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. |
|---|