OpenTechnical

OT-2026-000072529

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000072529) never changes.

Identity and time

Publication numberOT-2026-000072529 · never reused
Internal UUID01a0ae92-89d8-7baa-abe1-b037f05c7d31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072529
StatusPUBLIC

Content hashes

Canonical text741433ee61f22c4eb1361fb484ac81aeeee803cd637cbf886d9022794a7a96c3
Markdownc37d064c0468a122972ad176397f883d76b4cf6b989798e8521a823c618fd75c
PDF
Publication pageefdc3eb20ce5e5d557655d17b0c7ddf3c64f2dc0270863787e65e1d4651a46c3
Manifest6c98dc910a9053d21aab09eba3f55ee36b9c00386a1a16ed9a29095633f38597

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
SignatureCtxSttWOr6Lq00RX+moLrtLaWinALpD3j9WEpu4DP6dKiX6LBZDzoQkcrcxxOxe2d5MGwZgEFixIbT35dG91BA==
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

2026-09-17T10:22:21.660421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072529
observed efdc3eb20ce5e5d557655d17b0c7ddf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.641268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072529/manifest.json
observed 6c98dc910a9053d21aab09eba3f55ee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.622362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072529/publication.md
observed c37d064c0468a122972ad176397f883d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:21.601580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072529/publication.txt
observed 741433ee61f22c4eb1361fb484ac81ae...
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.