OpenTechnical

OT-2026-000085122

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000085122) never changes.

Identity and time

Publication numberOT-2026-000085122 · never reused
Internal UUID01a0ae99-43b9-71ad-ada5-12559628a495 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085122
StatusPUBLIC

Content hashes

Canonical text868c1571d90fad1d3e291b1df817e048d8df0b728cc4971a4603853720b7249f
Markdown888377b25166d934de525b9b823357bd83f2e7681e7212fa46ae84103159667f
PDF
Publication page1d090e28326143566c8a2ea0a2177922efa41e3abf7139856d7ef234163e5509
Manifest9587eee1f022fde92beaeaff027b1a8c800cf15a331761bce700151d5d701010

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
Signature1TUNt4D17zLyCECTZa1HJYTkMT/gTSpMtpFGOFbbmxs3RYDC1vBFsuxMN8zqilQMWuTHTCbZ74/n+2xELjGZAQ==
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

2026-09-17T09:55:11.712001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085122
observed 1d090e28326143566c8a2ea0a2177922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:11.694976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085122/manifest.json
observed 9587eee1f022fde92beaeaff027b1a8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:11.678331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085122/publication.md
observed 888377b25166d934de525b9b823357bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:11.660370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085122/publication.txt
observed 868c1571d90fad1d3e291b1df817e048...
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.