OpenTechnical

OT-2026-000076694

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000076694) never changes.

Identity and time

Publication numberOT-2026-000076694 · never reused
Internal UUID01a0ae94-b06f-779a-95e6-eb832142927a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076694
StatusPUBLIC

Content hashes

Canonical text3e9c5cbb9f0da9ae11465b747878f5c7918982bb1918ccb33a383422ab04a636
Markdown1c452155ca75857056bd7dac42d90b12e7d21a0c378e1393f599d538abb2c1e0
PDF
Publication page4477973c3d9e388005cfc1205d81ce5a652481d09286d75a4cdf13bfc2133ea1
Manifest0abb859a9f38a46f9438f6c3904d6941f9c8837cde67bb8f7904723153898677

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
SignaturexT9VC7sTopAf41jXp62wSppZ3fU+DLc+Z08pLQaBKA6rNi5Eg/MjuJJ5/c0eDfDVRqIfTpV2G107wVC3TDitCg==
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

2026-09-17T10:09:27.199740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076694
observed 4477973c3d9e388005cfc1205d81ce5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:27.180842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076694/manifest.json
observed 0abb859a9f38a46f9438f6c3904d6941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:27.159325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076694/publication.md
observed 1c452155ca75857056bd7dac42d90b12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:27.140100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076694/publication.txt
observed 3e9c5cbb9f0da9ae11465b747878f5c7...
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.