OpenTechnical

OT-2026-000070987

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, 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-2026-000070987) never changes.

Identity and time

Publication numberOT-2026-000070987 · never reused
Internal UUID01a0ae91-8c2e-73f0-8d18-f252b8c8a3a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070987
StatusPUBLIC

Content hashes

Canonical textd471cf2d96c39e5adaab5641bce794c65f3af846c19c6e20d78873cd623916ef
Markdownc4658359310857fe50509ddff9bd3614a3a752752abde44a58692df5dbb565ab
PDF
Publication pageaeb815b5662e3dc7ae80b0eb6f08945830d2fc0a1078caece7c7b5a70ae2a187
Manifest42afa617304f0d1999bfa5742cb1dc4095cd0267927267f24268dcd406870a7d

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
SignaturepcokrWBuGKWyVKo2KM7CEA69ovVDHU4r3vhOyNCpYXl7pRaY4u+AkaevSPviGOL1PB2P9IUpu6uEecdnPcKaDQ==
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

2026-09-17T10:25:49.835553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070987
observed aeb815b5662e3dc7ae80b0eb6f089458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:49.817241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070987/manifest.json
observed 42afa617304f0d1999bfa5742cb1dc40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:49.799583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070987/publication.md
observed c4658359310857fe50509ddff9bd3614...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:49.780463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070987/publication.txt
observed d471cf2d96c39e5adaab5641bce794c6...
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.