OpenTechnical

OT-2026-000083770

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000083770) never changes.

Identity and time

Publication numberOT-2026-000083770 · never reused
Internal UUID01a0ae98-0417-760e-9048-48de19749f91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083770
StatusPUBLIC

Content hashes

Canonical textc3d2b5064a50909d7c441d50227a586cb778629bf2e9bfa1642fe854fb8a5d3c
Markdown2720a93515e2b3c19ed653c78ae8a7403b2886a78f3f6c35ebc520cd8ff786c7
PDF
Publication page4f191cc5c7e7c7fb6a88f7a35a655f80ca963245d5e797c8108c21b3c6e23102
Manifestb0b93fedbcfcd96b998835684e050186faa33c6302aeafa947b7e45aa645fd61

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
SignatureJ+x+8sLKpxYVxn0NiDPeXFmDXBaxLuZcIXZiUQdrQ+PW1Td9NQNcicKoHCM96vcx/JIV+rME51OmYb7uIzucCQ==
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

2026-09-17T09:57:24.698032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083770
observed 4f191cc5c7e7c7fb6a88f7a35a655f80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.680617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083770/manifest.json
observed b0b93fedbcfcd96b998835684e050186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.663488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083770/publication.md
observed 2720a93515e2b3c19ed653c78ae8a740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:24.646857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083770/publication.txt
observed c3d2b5064a50909d7c441d50227a586c...
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.