OpenTechnical

OT-2026-000041528

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, pulsed blow-off 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-2026-000041528) never changes.

Identity and time

Publication numberOT-2026-000041528 · never reused
Internal UUID01a0ae79-e89f-7d54-bad9-d52cdd65561e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041528
StatusPUBLIC

Content hashes

Canonical texta3b08c38d0d407f892fd1d92133be56deb75b52fe2b447532b52b44c82b61409
Markdown3c66ba878af612f54ac85a754b6b3dd2651b113e436f1a569ac3f477804d855f
PDF
Publication pageab77651de727275bfe3537ab8051b75e271ef1abf1f7daf8de80cf568974b2cc
Manifest8094a0035a7b2822f71e64165566fadbfe515b0e3de7d511a74dfbf6bb6b0b94

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
SignatureaPDVjr/J1hk7qOQvAbb2EUkYilaqqZ5WWyLl3/7iS30W2j1c4APdb/8/Msk1a4SXxtOQ2ml8+yee7S+ylobVBw==
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

2026-09-17T11:16:18.053544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041528
observed ab77651de727275bfe3537ab8051b75e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:18.034812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041528/manifest.json
observed 8094a0035a7b2822f71e64165566fadb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:18.010607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041528/publication.md
observed 3c66ba878af612f54ac85a754b6b3dd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:17.967472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041528/publication.txt
observed a3b08c38d0d407f892fd1d92133be56d...
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.