OpenTechnical

OT-2026-000027970

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000027970) never changes.

Identity and time

Publication numberOT-2026-000027970 · never reused
Internal UUID01a0ae72-a51f-7067-842e-112a6fa91f85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027970
StatusPUBLIC

Content hashes

Canonical text1cde10b86565fbc390d7dc53b8f4b1b084e8920ce9196c467bfcfabbcf995c64
Markdown4859e76bcff3f45340ee08375c6253c4d0a1031d805ec4f1cada2b69d9237d58
PDF
Publication page979d7707ab799788f9fe560b2554beeb559fb13e5a32a026b13c69378f54f4ef
Manifestd7e213abd9f123872771e38638d8ab24de232f824829e987872fc29275d63c9b

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
Signatureb+DrVvx5mwFzhKp+O/6qG3J/vlv5TyVED82gEGJaeIlDXNAWaXo6xoGHstyomUVnJzAI1rJD2dNrQF7nIGHmBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:09.990024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027970
observed 979d7707ab799788f9fe560b2554beeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:09.973471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027970/manifest.json
observed d7e213abd9f123872771e38638d8ab24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:09.954750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027970/publication.md
observed 4859e76bcff3f45340ee08375c6253c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:09.936987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027970/publication.txt
observed 1cde10b86565fbc390d7dc53b8f4b1b0...
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.