OpenTechnical

OT-2026-000027264

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000027264) never changes.

Identity and time

Publication numberOT-2026-000027264 · never reused
Internal UUID01a0ae72-6996-755d-b5c7-2071e1ad3a5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027264
StatusPUBLIC

Content hashes

Canonical text0404fa880f10dd36d433a0ed85ef997359dc8d19e3f44d51d247bae4ce15de09
Markdown461945f0be31a6a24c2cffdaa0ceb6aa16137da4cb1b614d8af564cebaf652b1
PDF
Publication pageacf7dccf961a9a7404f4cdcad076d3f8774a9a73184d111caf83e162129908d8
Manifestdb78b361bbe55719ca66fba7f5fe2f02e3fbd03fdedd8bdd800724c58f071de1

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
SignatureQDnU6METqhmUbQtSvhwQSinFCHjQh28TY4nAR63ZBzTyOjs0/VAQLLFhenr6CnY21P/IAg6NPJ23967gPHtADg==
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

2026-09-17T11:42:38.222222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027264
observed acf7dccf961a9a7404f4cdcad076d3f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:38.196506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027264/manifest.json
observed db78b361bbe55719ca66fba7f5fe2f02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:38.179548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027264/publication.md
observed 461945f0be31a6a24c2cffdaa0ceb6aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:38.159820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027264/publication.txt
observed 0404fa880f10dd36d433a0ed85ef9973...
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.