OpenTechnical

OT-2026-000023679

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000023679) never changes.

Identity and time

Publication numberOT-2026-000023679 · never reused
Internal UUID01a0ae70-aed4-7a0b-a157-4a57f73c4872 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023679
StatusPUBLIC

Content hashes

Canonical text00cc203e218a8da59507515e2ea0bf05df5fffc7b02eca2ff7056b2a504b5b72
Markdownf8276c07e0c3abc8d1c1453c768b5f5e053908e6aa1e8cf6f5f5d038885c606f
PDF
Publication pagebb2979ec9283d042adb87a218a39b7a95f08435f5bed4af2ccde9fcc81f719bf
Manifestee2aea0a540bdc90e63be3db15eb2f1ca5dd8c774b329ed440ac43ebdece9dae

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
SignatureNsGJxScvnZqmqza783fEHL7/sed4EP07gOD5K26EieYvwT7x6Y80UQUpEsHrI8RS6639zme/La6ZCzbfOM4vDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:50:00.136555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023679
observed bb2979ec9283d042adb87a218a39b7a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:00.117994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023679/manifest.json
observed ee2aea0a540bdc90e63be3db15eb2f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:00.098238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023679/publication.md
observed f8276c07e0c3abc8d1c1453c768b5f5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:00.078540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023679/publication.txt
observed 00cc203e218a8da59507515e2ea0bf05...
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.