OpenTechnical

OT-2026-000087782

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000087782) never changes.

Identity and time

Publication numberOT-2026-000087782 · never reused
Internal UUID01a0ae9b-1aa4-7d08-929b-f62dc9ad0a08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087782
StatusPUBLIC

Content hashes

Canonical text439853378a88f1f9001fbb0afc6dce896d6e7e83d3c2300d5602d21229fcfd28
Markdown15978cb67595d18264c660b9bdbc8cac8ae998a69a393f072a4e4ea35e076493
PDF
Publication page7c35a225b0f73ce7e8fe768d4892dbf2433886183cd8fd24296e45df04a42b65
Manifest05b86bb2390a5243a21f040459f0fb90a3fda799505ea8776c8c7ab06fbc0ece

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturer9jFCSLMPSCDjD5kFN0Stwl3nEiTvV/29s84qZo28W5c7tjWnzatSfz9HzH5cJ5MUjlss/PJnDo8npAc5VMWAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:59.342644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087782
observed 7c35a225b0f73ce7e8fe768d4892dbf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.325027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087782/manifest.json
observed 05b86bb2390a5243a21f040459f0fb90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.306191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087782/publication.md
observed 15978cb67595d18264c660b9bdbc8cac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.289485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087782/publication.txt
observed 439853378a88f1f9001fbb0afc6dce89...
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 archivePending 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 packagePending Custody packages are produced weekly.