OT-2026-000027931
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000027931) never changes.
Identity and time
| Publication number | OT-2026-000027931 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a4a5-7ede-97a2-b3bf82755715 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027931 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0af7afb8667b77395b65199e5c5adc0b7366ffff8e5157e30cfcafa4537a3bdd |
|---|---|
| Markdown | 37155743bfd57c306a89a810d09629f2f4a8b62699300c4015f23a72c899a972 |
| Publication page | a59688ab7e86f0943ebdf7746c6dc72c9265d9892813c0a2b9089feb246276c4 |
| Manifest | b26ecaddeedb2c605fe455701e37d686894f4b94a9782a5a941e95c4f26983a4 |
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 | X9jvD/bTxbBwc1wG/37MHrVAGJg5nIQHMEMrJbrw0L4Lrv+SzdBqEe4+WY/szt75ZA+3F4gXWgs/w8KFiU5EAg== |
| 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
| 2026-09-17T11:42:06.629540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027931observed a59688ab7e86f0943ebdf7746c6dc72c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:06.612945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027931/manifest.jsonobserved b26ecaddeedb2c605fe455701e37d686...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:06.592204Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027931/publication.mdobserved 37155743bfd57c306a89a810d09629f2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:06.573396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027931/publication.txtobserved 0af7afb8667b77395b65199e5c5adc0b...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. |
|---|