OT-2026-000054515
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000054515) never changes.
Identity and time
| Publication number | OT-2026-000054515 · never reused |
|---|---|
| Internal UUID | 01a0ae86-1283-7755-9bf3-8548d6a4deff · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:17.489937Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054515 |
| Status | PUBLIC |
Content hashes
| Canonical text | ac57ea34c754ee4322d924cd0d63bdf26429179ec433e7b009f7e21baea1a57e |
|---|---|
| Markdown | 2663ef7f2fbb363e0d3eb723ea835c33441ca5d2fe1f5d6239e7430482d23b4e |
| Publication page | 65ac06ca892de626700008621ba1b08ce8a57f23bc6785bd5b364b221c258bd6 |
| Manifest | f5c1e0df7351017d9c447c0557f1b35de859559c0ed1a328cc0dd07a3dbe5a77 |
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 | bhjNxt1AFYMOo8c2UtfeBs8cJqf5RgXlXxZfaShhJiCnWOqPAkIA5yj2JR8i+HhatbZLgM1a7KsPCiRB2TZsDQ== |
| 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
| 2026-09-17T10:53:31.417893Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054515observed 65ac06ca892de626700008621ba1b08c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:53:31.358290Z | HTTP 502 · ERRORhttps://opentechnical.org/p/OT-2026-000054515/manifest.jsonobserved ...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:31.337656Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054515/publication.mdobserved 2663ef7f2fbb363e0d3eb723ea835c33...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:31.320658Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054515/publication.txtobserved ac57ea34c754ee4322d924cd0d63bdf2...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. |
|---|