OpenTechnical

OT-2026-000023015

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000023015) never changes.

Identity and time

Publication numberOT-2026-000023015 · never reused
Internal UUID01a0ae70-46ec-789b-8c7b-4bf45309d322 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023015
StatusPUBLIC

Content hashes

Canonical text8e9d9abe85a226d6c1c3f30b435568de52c029a5abff02b52e502a7d1bffda09
Markdown2e03257ed466f98b661332ddb3d7b3855812bf15a2c64be96cf45c1097192f36
PDF
Publication pageb5c4f4949df3e588b74db3ba70d09eb62c6aa385215048438f7823e74fddbd5d
Manifesta2c324b3ce3080d8a5e1d0c27017292606a8b14e21c4c6df72334b9d74aeb1bc

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
SignatureNFaIqJ0GI3CXMzJ6IR5Mfepy5GjvBG6XkEMnJp4ENJth1coQg9PtrlNgRqQ1EIk9TvjXlY7wUw6ogl9oNOTrBg==
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

2026-09-17T11:52:36.712910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023015
observed b5c4f4949df3e588b74db3ba70d09eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.695572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023015/manifest.json
observed a2c324b3ce3080d8a5e1d0c270172926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.679062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023015/publication.md
observed 2e03257ed466f98b661332ddb3d7b385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.660847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023015/publication.txt
observed 8e9d9abe85a226d6c1c3f30b435568de...
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.