OpenTechnical

OT-2026-000081326

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000081326) never changes.

Identity and time

Publication numberOT-2026-000081326 · never reused
Internal UUID01a0ae96-f374-7cd9-8b0d-9a1da11b9a68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081326
StatusPUBLIC

Content hashes

Canonical texta84db7622ab078cbe39184fee60f2d6c54ef76cb318b47650d27559e6b3ca2c1
Markdown33e2acddafd9a6025d2e4c2e7d74e94b4169c638b557a513518f2a5badc312cb
PDF
Publication pageaa37493a4d09650b5e35e03fabb01087325a2e402614143995c8d013525789bc
Manifestcc3169d56ae56c5c988b96e1c9b2b9067ab1ba721e85993a31601ec55f4ff18b

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
Signaturebvq4aoh9PwyzEtuqw0WXHXy5oyrG3Q89Ml2iGOGnuEtuWhSLHrPoFEMBOVvOb+u+/so5j39gDnj0tXcjVnrCAA==
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

2026-09-17T10:01:26.746514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081326
observed aa37493a4d09650b5e35e03fabb01087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:26.727841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081326/manifest.json
observed cc3169d56ae56c5c988b96e1c9b2b906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:26.707269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081326/publication.md
observed 33e2acddafd9a6025d2e4c2e7d74e94b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:26.688403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081326/publication.txt
observed a84db7622ab078cbe39184fee60f2d6c...
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.