OpenTechnical

OT-2026-000082641

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single 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-2026-000082641) never changes.

Identity and time

Publication numberOT-2026-000082641 · never reused
Internal UUID01a0ae97-8cc8-78a4-8499-fa375b55a2c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082641
StatusPUBLIC

Content hashes

Canonical text5ea24109d895484e6f082d153b2c23436fb97e0e95dd1845c1822aff69f2e021
Markdown2020c00d43d873644f2b8d93ebf708067aa29b5829fcb68d1611035bb8d080f9
PDF
Publication page3ac446d115e383a76e1fdcc65644c0499caa1cf1813d106fa006121ce3b98092
Manifestb7cd3ae6a497c43a3cc9c20d20c7cb8d63417deb86c9f8a68fbaf59e837a3228

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
SignatureYPlkwGD7A97Euo4OcPStCYo02Xnipa0EGV60ZHjG4ynLFAgfcQ8lmUuGSkmnXPLUFIMjqDfPrhyeB1AA26P0Ag==
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

2026-09-17T09:58:11.940983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082641
observed 3ac446d115e383a76e1fdcc65644c049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:11.921926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082641/manifest.json
observed b7cd3ae6a497c43a3cc9c20d20c7cb8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:11.903809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082641/publication.md
observed 2020c00d43d873644f2b8d93ebf70806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:11.884480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082641/publication.txt
observed 5ea24109d895484e6f082d153b2c2343...
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.