OpenTechnical

OT-2026-000097276

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000097276) never changes.

Identity and time

Publication numberOT-2026-000097276 · never reused
Internal UUID01a0aea1-01ca-7fea-967c-4ee1c2e0eaef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097276
StatusPUBLIC

Content hashes

Canonical text05d20f8c7649a5067e1cab5d6850b7e894f3efb267530af68da49166acbaa904
Markdown67f11dba6757470cb622c3eaea775eb92d39271261b3311ea0b787b83b0878bb
PDF
Publication page7cdd1b13a8c8bc7c60b81590af0690632d827f844c672076ec4571c451266bda
Manifest0f6771ba9e3cc422f9b5c2554c99387d91e7132de2bca472a97273175caab928

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
SignatureEwEm+Uxeo0KDRKXYnWKNZRwIMmYZqKXk7ZOQcZ9Xrfty8ESMvdxTyzo8gc8CV2Eb8GY2Fyb/Cbuzry3Q5nopCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:32.238682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097276
observed 7cdd1b13a8c8bc7c60b81590af069063...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:32.222972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097276/manifest.json
observed 0f6771ba9e3cc422f9b5c2554c99387d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:32.206570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097276/publication.md
observed 67f11dba6757470cb622c3eaea775eb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:32.189799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097276/publication.txt
observed 05d20f8c7649a5067e1cab5d6850b7e8...
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.