OpenTechnical

OT-2026-000087276

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000087276) never changes.

Identity and time

Publication numberOT-2026-000087276 · never reused
Internal UUID01a0ae9a-cd4e-7dd3-bc03-d8f89168a664 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087276
StatusPUBLIC

Content hashes

Canonical textb99b2684604ee9a2a33fd4f70438a0fa3346b3113fde14cb15194748043ec870
Markdowna6a25bb162c40236a85f3e0a478e045d67182f816169b8de3cc1526c6e161f05
PDF
Publication page12954e629715a054175faed019a2297efe330458ec5094b0893de6c4037a7a64
Manifestaf577c8ce149c583069a227af51e80b404896dc9575e41d54369b4a3a54d7fde

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
SignaturepgWOGIx0zAFFSKmapMPZxo7ykUUrVUx94uheEbJddBaoycIXNAVuqHMOnZbcI9qPaqvMHnKs8ha4GQ6Y90+BDg==
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

2026-09-17T09:50:25.273080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087276
observed 12954e629715a054175faed019a2297e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.257345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087276
observed 12954e629715a054175faed019a2297e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.253811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087276/manifest.json
observed af577c8ce149c583069a227af51e80b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.234034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087276/manifest.json
observed af577c8ce149c583069a227af51e80b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.229756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087276/publication.md
observed a6a25bb162c40236a85f3e0a478e045d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.215947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087276/publication.md
observed a6a25bb162c40236a85f3e0a478e045d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.206448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087276/publication.txt
observed b99b2684604ee9a2a33fd4f70438a0fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:25.197167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087276/publication.txt
observed b99b2684604ee9a2a33fd4f70438a0fa...
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.