OpenTechnical

OT-2026-000072663

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, 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-2026-000072663) never changes.

Identity and time

Publication numberOT-2026-000072663 · never reused
Internal UUID01a0ae92-89d9-7db2-beae-ba494642ca3d · 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-2026-000072663
StatusPUBLIC

Content hashes

Canonical texte11b5ea95602cad6ae39cd964fc1987217b3e8d546602ea66704b428b46703c5
Markdownf3f1d9d7626e26c468a939e34d82c78708e07c8a25dd00ef029c4cd8d0f66c94
PDF
Publication pagea056ce25543368f89f1747730397820e757ce9d464ebcf95f2b577214929303c
Manifest29f782bc8207a5c41eae061a0c92a9aff54ce7cf189382cd2591ae0a5ffaba35

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
Signaturex5UtK+gzM4eFM1pTTj41jPvfoAisgP1ZQQ5+Hxj2b40un0iLtjGAUusIJ1L3LcKlOMjgB7jNeZUXWZL45vYyAg==
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

2026-09-17T10:22:31.818959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072663
observed a056ce25543368f89f1747730397820e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.802643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072663/manifest.json
observed 29f782bc8207a5c41eae061a0c92a9af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.785133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072663/publication.md
observed f3f1d9d7626e26c468a939e34d82c787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:31.767438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072663/publication.txt
observed e11b5ea95602cad6ae39cd964fc19872...
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.