OpenTechnical

OT-2026-000056251

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, supply line 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-2026-000056251) never changes.

Identity and time

Publication numberOT-2026-000056251 · never reused
Internal UUID01a0ae87-4bd1-715b-80ff-b4edfea21569 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056251
StatusPUBLIC

Content hashes

Canonical text08a39d793cb762fa3032155e95587632f2baf8980769e8506799c519761936d6
Markdowne5c713d343c80787323be76b64df59b4bbcbcf18ebbd738ddf247f32f552125f
PDF
Publication page4198e792f5acecbc49d6cb1ef981fe9810832a3835e60fbdf4e0694ef17c15d1
Manifest85f21f9dc5e7505bc8f102f4e5f1b6dd4797af1fb0c4a1a1385e6144e67c40c2

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
Signaturelvahe562C5NDnLXbgTr5+V9G9il98xIvscYNiDpsUB/iFODacJqDQqbPHDPj0bHWnJnn8I3PMF3suXNaGTB8BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:43.967985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056251
observed 4198e792f5acecbc49d6cb1ef981fe98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:43.948557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056251/manifest.json
observed 85f21f9dc5e7505bc8f102f4e5f1b6dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:43.930680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056251/publication.md
observed e5c713d343c80787323be76b64df59b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:43.913748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056251/publication.txt
observed 08a39d793cb762fa3032155e95587632...
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.