OpenTechnical

OT-2026-000083739

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two 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-2026-000083739) never changes.

Identity and time

Publication numberOT-2026-000083739 · never reused
Internal UUID01a0ae98-0417-75fa-b676-d485d4280bca · 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-2026-000083739
StatusPUBLIC

Content hashes

Canonical textd4243982c48acd81f858ada4b113c0949ddc3765956a70d6330e89324c57df18
Markdown7921c3ac589d10719ae0a27e1445bccc61d372a6c244340727aa26a869ec3a7a
PDF
Publication page5ae63361cb52ee48f4348fefd8d5f9a21b1544a06918ce0ab279a72d06ed56ce
Manifest488cbfc1f244afc534f7c90f0a9221a9f568f94ca132b20a3ff0198fdd552151

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
Signaturels6INdIJ6n8BM4ZUiBks2Xe0eS2Kudqa0VdMDiQlNZI5nXsDje9OqvIVkL6wVOKGipkXlGhJiMNmpwbb09ILAA==
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

2026-09-17T09:57:22.467481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083739
observed 5ae63361cb52ee48f4348fefd8d5f9a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:22.451450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083739/manifest.json
observed 488cbfc1f244afc534f7c90f0a9221a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:22.436412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083739/publication.md
observed 7921c3ac589d10719ae0a27e1445bccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:22.421420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083739/publication.txt
observed d4243982c48acd81f858ada4b113c094...
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.