OpenTechnical

OT-2026-000056734

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000056734) never changes.

Identity and time

Publication numberOT-2026-000056734 · never reused
Internal UUID01a0ae87-7af6-7bfb-a400-0c609496ba82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056734
StatusPUBLIC

Content hashes

Canonical text6ee23b15b9bf39ce632295a3c4614672bea9b040806e3f324f3230419eb468bf
Markdownf287a95de88b054e65150d8d657ababfefcf0d25c3165a40de981f7c6038b894
PDF
Publication page7dd36606c41c1cb1e4b90b01953dababead3234446196121281d6c4de97561e6
Manifestb74749ba0211a2e51e1372fbd0b56a0d2464f33b19633d167c8127b607631b96

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
Signature6aaExvrGea6sUpLCMdV4ZFvdUr+zF8pz4pvBTBAXLYAlR7cGcndFjAjLDNDKnhSh249SW6wcpmH9wiH9KS4nAQ==
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

2026-09-17T10:50:10.288006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056734
observed 7dd36606c41c1cb1e4b90b01953dabab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.269628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056734/manifest.json
observed b74749ba0211a2e51e1372fbd0b56a0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.252455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056734/publication.md
observed f287a95de88b054e65150d8d657ababf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:10.231818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056734/publication.txt
observed 6ee23b15b9bf39ce632295a3c4614672...
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.