OpenTechnical

OT-2026-000079311

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000079311) never changes.

Identity and time

Publication numberOT-2026-000079311 · never reused
Internal UUID01a0ae96-0b90-77ab-a048-7580debbae99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079311
StatusPUBLIC

Content hashes

Canonical text9070226e3043f8a470f83347e44e8e22a32e29548cf3e65b586427ca43951acd
Markdown555cd4745529bd6506c3b29a36b5de413ae70d9ab16c10ddd64a94d60cb0f15c
PDF
Publication page3ba05d0c26fc04afc875098b3f3afb3f03f954d633de094db40eb6ec9c0d5f25
Manifest62ef85f55664a5a0e2c641a06df160e34f5b9af2fc57a35753735dfc163d0548

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
SignatureWaH7FuoORNlkW7NSS4xJ55htG0uqGTrFLPbLhd9bj06Vgb52PlDzO0xee3TylZRalWyT0LoSy8Y9PMsiA8+4DA==
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

2026-09-17T10:04:55.332311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079311
observed 3ba05d0c26fc04afc875098b3f3afb3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.311820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079311/manifest.json
observed 62ef85f55664a5a0e2c641a06df160e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.292392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079311/publication.md
observed 555cd4745529bd6506c3b29a36b5de41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:55.273376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079311/publication.txt
observed 9070226e3043f8a470f83347e44e8e22...
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.