OT-2026-000055421
Publication integrity record
Single cup vacuum gripper, three stage ejector, supply line pressure sensor, vented before 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-2026-000055421) never changes.
Identity and time
| Publication number | OT-2026-000055421 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a101-798f-a75b-42d8d4e69c6c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:53.783868Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055421 |
| Status | PUBLIC |
Content hashes
| Canonical text | acbef622b3acf5d6b01cba774cf3bc3924e45a66a1f4a165d005a9f4f3cc0bbf |
|---|---|
| Markdown | 44f21cd64dbd94100dc0599fb08ac113acf435329c9b9342e34984c0166f5609 |
| Publication page | e88f808f03cc778e531eae130ad43b19c02a89beb062f2d616bc054a5c5a1f48 |
| Manifest | f4ab3887387a407183addc2f423c7faddb4247f6fd19dd368b13d9ab57aef4ad |
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 | UL7b+P/6NohKnPkSrIrcT+DoxuxGzBUA/ptmfKouBWj7gNZoarMvB1RNj29L1/u+4fXwCXWYdbj8pNhNRc4IDQ== |
| 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
| 2026-09-17T10:52:04.042180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055421observed e88f808f03cc778e531eae130ad43b19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:52:04.024402Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055421/manifest.jsonobserved f4ab3887387a407183addc2f423c7fad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:04.008296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055421/publication.mdobserved 44f21cd64dbd94100dc0599fb08ac113...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:03.991492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055421/publication.txtobserved acbef622b3acf5d6b01cba774cf3bc39...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. |
|---|