OpenTechnical

OT-2026-000063447

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000063447) never changes.

Identity and time

Publication numberOT-2026-000063447 · never reused
Internal UUID01a0ae8c-f944-7323-9b8c-e129731203f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063447
StatusPUBLIC

Content hashes

Canonical text71f335c3ae14377004138dcf90f6f6b582dc730083b381fd42bd83f96b5cd7fe
Markdowna075283fe13eafe250b1bea82204ef0ed94b3bf480dabd094d60be0ab8f1db5b
PDF
Publication page2675a49b1c232511d7a2727543e83540ff7564250956cf56613f0609dba0e83e
Manifestdfff19bc3f0a1ca202d78068b5d0d07bf56e07e6b1249caeba71681f9c9297c7

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
Signaturescr0JxSfkDGifYseRTHv1ChU1GUk0u0/Eos3vf/+l4GVOJEY1aKmMOdjeNzHkoDx3siH0Mt8kkzv4Zub7/zhCw==
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

2026-09-17T10:37:24.461003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063447
observed 2675a49b1c232511d7a2727543e83540...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:24.441638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063447/manifest.json
observed dfff19bc3f0a1ca202d78068b5d0d07b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:24.426578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063447/publication.md
observed a075283fe13eafe250b1bea82204ef0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:24.408639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063447/publication.txt
observed 71f335c3ae14377004138dcf90f6f6b5...
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.