OpenTechnical

OT-2026-000036698

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000036698) never changes.

Identity and time

Publication numberOT-2026-000036698 · never reused
Internal UUID01a0ae77-46e8-712c-b0c6-4a22bc2fb94f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036698
StatusPUBLIC

Content hashes

Canonical text75bb0f2269bd62430ac2382992ca15e1ff5900fbb50bbc276cfc1daa834fc328
Markdown90bf1927c79bd790cf2f5c7680a546378160c7a06d1b477d49d1948c19a3e157
PDF
Publication page38756bd4896d8ff3d13152f1d1f4024803ea5f5efc960b1ad1d44d60f33e656e
Manifest839783ee5a9e4df85723b5415b648fb8ed3a17e0c08e2c5ce1b33254d6d45d1c

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
Signaturep8ugLiGqhgs60PzuCuHGmV8S1fzkV4RicYPiVrVuAZ7MSOkKHRuVTrNt3H8zKh4EiF/wc2PZ0+NDrxpUszSiBg==
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

2026-09-17T11:26:03.430350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036698
observed 38756bd4896d8ff3d13152f1d1f40248...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:03.413886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036698/manifest.json
observed 839783ee5a9e4df85723b5415b648fb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:03.397158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036698/publication.md
observed 90bf1927c79bd790cf2f5c7680a54637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:03.379638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036698/publication.txt
observed 75bb0f2269bd62430ac2382992ca15e1...
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.