OpenTechnical

OT-2026-000081246

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000081246) never changes.

Identity and time

Publication numberOT-2026-000081246 · never reused
Internal UUID01a0ae96-f374-791f-8e23-2e21938274a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081246
StatusPUBLIC

Content hashes

Canonical text11354163716403b8954c9f64b92de7e6733cdbc9e919550f4973f74b1c68e40b
Markdownf9295564b9c8fa6e7392b305320ee2f2c2644b76f6b384d8b0ce17a9376a9c9b
PDF
Publication page9eb8cc20abd3e59e2315a29126da0503aa03907aabb81fc44a36195e8939c15a
Manifest19152860e1bf82cce7f43167fc7e64e8c38e9695ef84587fc6de2cf4f77d35bd

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
SignatureZkZuUrJxR4UFfzfFzIbRJDtncCfodK3nP7FALIClmygg4e+wLpzEtJCVW5ZUIR9UUtST1dgvpJZdePo3jc+gCw==
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

2026-09-17T10:01:20.222201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081246
observed 9eb8cc20abd3e59e2315a29126da0503...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:20.204854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081246/manifest.json
observed 19152860e1bf82cce7f43167fc7e64e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:20.186367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081246/publication.md
observed f9295564b9c8fa6e7392b305320ee2f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:20.167157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081246/publication.txt
observed 11354163716403b8954c9f64b92de7e6...
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.