OT-2026-000087642
Publication integrity record
Three bellows cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000087642) never changes.
Identity and time
| Publication number | OT-2026-000087642 · never reused |
|---|---|
| Internal UUID | 01a0ae9a-cd53-7d1d-a593-365eab440cf2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:02:55.852518Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087642 |
| Status | PUBLIC |
Content hashes
| Canonical text | 177977eced78d17092a4ba501c214b53f4e38e0da916d9dda41c4b00fa68d3f7 |
|---|---|
| Markdown | 8285630bd8d20f6b05b1f51e32f3cb15190b23e523da941ac26ad98562e8cecb |
| Publication page | 9ad2826ec4af7e59bce438a61ab7af74f506f55aa389d3b43f196e851ac193a9 |
| Manifest | 5cceb813668fa157503050a8a2ecb30127e55563e36b40a11390dace133f7770 |
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 | 3i8/dHS6fxoHWH8YJiwhzLEnIvBV5XA05sHyMVnwtIhg4SkBt3DjIXCEWOhcEDLTW4gzu3bxWubLB3VMGu0IDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:51:05.272812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087642observed 9ad2826ec4af7e59bce438a61ab7af74...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:51:05.257681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087642/manifest.jsonobserved 5cceb813668fa157503050a8a2ecb301...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:51:05.240788Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087642/publication.mdobserved 8285630bd8d20f6b05b1f51e32f3cb15...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:51:05.225372Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087642/publication.txtobserved 177977eced78d17092a4ba501c214b53...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. |
|---|