OpenTechnical

OT-2026-000095162

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, 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-2026-000095162) never changes.

Identity and time

Publication numberOT-2026-000095162 · never reused
Internal UUID01a0ae9f-8f6e-73d5-a676-7c5e9f5ba86f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095162
StatusPUBLIC

Content hashes

Canonical text7b90f88dd0eeae54f7cf43b5463f579e732201f83dc50a9370ab32b56862b667
Markdowne387d4f2133b4a593f2fe2b2f104ca5ce773eb816cb56f5f6b0f0e078ed089ca
PDF
Publication page31875d77d2e3ff178a5049a1e9ad68cb28f92ed9880837f42056968098d8d1cc
Manifest99553342673b374edcb8f9d5e8bf39fe3b79278b493ee2119ab95ad848acb15f

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
Signaturel5AiWMmldAFM7isPSHHUh89s8AvB/wchVQlP1eqczP2lq/U6DhorSHSrsutyONk49RudOY37M+soDJIWOe6zAQ==
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

2026-09-17T09:36:27.871888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095162
observed 31875d77d2e3ff178a5049a1e9ad68cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:27.853483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095162/manifest.json
observed 99553342673b374edcb8f9d5e8bf39fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:27.836708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095162/publication.md
observed e387d4f2133b4a593f2fe2b2f104ca5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:27.818304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095162/publication.txt
observed 7b90f88dd0eeae54f7cf43b5463f579e...
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.