OpenTechnical

OT-2026-000076207

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000076207) never changes.

Identity and time

Publication numberOT-2026-000076207 · never reused
Internal UUID01a0ae94-6a6f-76e4-8101-1aa3c9e4d43a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076207
StatusPUBLIC

Content hashes

Canonical text602a4723b30cd1cf45ecdf48f925dbde0c226a8b4ec75a139e8cceac958a985c
Markdown831fd635c19254bcbb26d0a35eae97ecab902b486f0495d3c9238d8a4c00d23f
PDF
Publication page956b171bef224460fba04ea5b76db424b4e50934360c0d112ff60de777d53466
Manifestb953d9256e6e124ac86bcb3779c291bcce25ed499d9a0f37caae8e15aa3171cc

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
SignatureYxMXPXLwD1Bov6aYuLocHyKWt3xJqo3FFCSbrpWCYM+JPvJZMVhIuDjfWU7Us2WxZxMMlrjxhqbQ6ejQYvR2Dw==
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

2026-09-17T10:11:34.740818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076207
observed 956b171bef224460fba04ea5b76db424...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:34.723849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076207/manifest.json
observed b953d9256e6e124ac86bcb3779c291bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:34.705727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076207/publication.md
observed 831fd635c19254bcbb26d0a35eae97ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:34.688385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076207/publication.txt
observed 602a4723b30cd1cf45ecdf48f925dbde...
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.