OpenTechnical

OT-2026-000038371

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000038371) never changes.

Identity and time

Publication numberOT-2026-000038371 · never reused
Internal UUID01a0ae78-2d52-7b67-a9ab-33e8f20fb558 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038371
StatusPUBLIC

Content hashes

Canonical textdd576b6cd4d7e8787cd73d4dc9ce493730293ee657701826df5830eb4074a417
Markdown6081a2591e807efd92c0e7023437722a36b97c2ad5952412c9f7b4bfd66cf60e
PDF
Publication page2c58a142c1a79837fd5a1ba11b2b039c8d3ceb87409ca76884027b5e2d181fdf
Manifest37a16d1860b729e790e942e0633596be0a0e375174a8536184ad88c7a6de441d

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
Signature0OKupfVYig4yKB63zbY/3rghovBlRBQpoPjfm+yhDqGDNV3Z3qHFdYRsCTE0BXbLxwkpvRncaNCYCHYRADV6AA==
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

2026-09-17T11:22:33.850172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038371
observed 2c58a142c1a79837fd5a1ba11b2b039c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:33.829452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038371/manifest.json
observed 37a16d1860b729e790e942e0633596be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:33.810560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038371/publication.md
observed 6081a2591e807efd92c0e7023437722a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:33.792345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038371/publication.txt
observed dd576b6cd4d7e8787cd73d4dc9ce4937...
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.