OpenTechnical

OT-2026-000071587

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000071587) never changes.

Identity and time

Publication numberOT-2026-000071587 · never reused
Internal UUID01a0ae91-e0ee-76fa-9bb8-74468bd3a066 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071587
StatusPUBLIC

Content hashes

Canonical text291a4f62b9709807556c275b11d085bb4206221492761623ca503c559dd0f506
Markdown668f5dd4d21e39b8529b7baebd1d76c102fb6d4257bcb6c427119370df141a11
PDF
Publication pageac658bac3ab35b0bf2bffe0ee2275b91e747b05000194ab49b720e34ba90d971
Manifest008f5bd4aaf479b19b3b320dc8ef370292c751380fc25e35d00134fcdebb041f

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
Signature6BcS5v9vHFRewAnLXfKvhw1zc0WF4jk17DouwImVeUDLnoBv96KvM/rIcG6+/7geblbIeiWiVrjZlcrTnfW/Cw==
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

2026-09-17T10:25:14.036162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071587
observed ac658bac3ab35b0bf2bffe0ee2275b91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.018811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071587/manifest.json
observed 008f5bd4aaf479b19b3b320dc8ef3702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.001222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071587/publication.md
observed 668f5dd4d21e39b8529b7baebd1d76c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:13.983061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071587/publication.txt
observed 291a4f62b9709807556c275b11d085bb...
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.