OpenTechnical

OT-2026-000083679

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000083679) never changes.

Identity and time

Publication numberOT-2026-000083679 · never reused
Internal UUID01a0ae98-0416-7560-8873-fd01627bcb19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083679
StatusPUBLIC

Content hashes

Canonical text20c287348dd8f66ca92f75a81d308a6744101e5a39e93ca318915ee3f5637363
Markdownd23dc1d30cd561f7288a3ce786185c1a8c704e1dcbf6b582966514375ed368a2
PDF
Publication paged4f7b3b9ac7bea1e7bd2750a2d4776d7c450aa4efb45ddee6c3926716ad8cd73
Manifestb4408c7e7ee9871eb8021f1de3223ee5554d91e4da0f6785362d1bb407d328ba

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
SignatureJ94yBn0A3W6t+UbRgU1m1UnJLpdDDXovh5PzbeaXtyLqW64bZPwrDzT5aPeCbUrw6k3lauyYsq0fFobwAa5bDQ==
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

2026-09-17T09:57:18.202983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083679
observed d4f7b3b9ac7bea1e7bd2750a2d4776d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.185403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083679/manifest.json
observed b4408c7e7ee9871eb8021f1de3223ee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.167716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083679/publication.md
observed d23dc1d30cd561f7288a3ce786185c1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:18.152110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083679/publication.txt
observed 20c287348dd8f66ca92f75a81d308a67...
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.