OpenTechnical

OT-2026-000100861

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000100861) never changes.

Identity and time

Publication numberOT-2026-000100861 · never reused
Internal UUID01a0aea3-66f5-7ffd-8753-dcc303d013a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100861
StatusPUBLIC

Content hashes

Canonical text55852afdeec3ea6fca22a3b6079423e16deea885e511aa486131b386efd08850
Markdown070223935f2cc0215c06c6402526b133daa996ce439957ef0e31c83d4c0331f2
PDF
Publication page1a451b1cd93ca9f4da1e1f60a9ef253e4b7a447429a36a78a47246f6032a1ec0
Manifest41d39238a7a7fd090f9c80b3717db45891411fdb7eabeaa5e0a34321794f0891

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
Signaturen2bbvz8g37xM59h2GaXyZqrzVs6F7Vmh7JZ5NMotyhvLcg0FSSSE2qRXWeXlWeNrlxKQ9jGyRL2qXfpnyCw5CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:47.545902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100861
observed 1a451b1cd93ca9f4da1e1f60a9ef253e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:47.528048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100861/manifest.json
observed 41d39238a7a7fd090f9c80b3717db458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:47.510534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100861/publication.md
observed 070223935f2cc0215c06c6402526b133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:47.491921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100861/publication.txt
observed 55852afdeec3ea6fca22a3b6079423e1...
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.