OpenTechnical

OT-2026-000025031

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000025031) never changes.

Identity and time

Publication numberOT-2026-000025031 · never reused
Internal UUID01a0ae71-2728-7be1-8554-87ba92037018 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025031
StatusPUBLIC

Content hashes

Canonical textd3d0a17dbc2f7f9008b28b55fc98dd3e4cb6899ccf9a99355bc68e6e3209ec4b
Markdown0cacc39601c4b905b7a082c21d81a4350da195081bc63d149ef2f2b9d2402f29
PDF
Publication pagee12d4f4b6e8245266d0996cbbfee9575b395df6a452d83dac3de9275f84b3433
Manifest959d2b2e63ce344cc028d5df8503c038d9cd95787cdecc65f5759c4a2de0b917

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
SignatureIVOMixhgWHLxMkvEZomph+6Wfz9gln0t3iwDlEF0Tel7mmHbLObEE38Kf77bHsKc5L/ES46ZKoaNOx06ssFhCw==
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

2026-09-17T11:48:26.122703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025031
observed e12d4f4b6e8245266d0996cbbfee9575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:26.103057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025031/manifest.json
observed 959d2b2e63ce344cc028d5df8503c038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:26.085144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025031/publication.md
observed 0cacc39601c4b905b7a082c21d81a435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:26.067244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025031/publication.txt
observed d3d0a17dbc2f7f9008b28b55fc98dd3e...
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.