OpenTechnical

OT-2026-000056126

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000056126) never changes.

Identity and time

Publication numberOT-2026-000056126 · never reused
Internal UUID01a0ae87-0a4b-7a2b-b7c6-80b552872b34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056126
StatusPUBLIC

Content hashes

Canonical texted95b5d57ddbb4dcf83bf000ec4a4b27b355da86e7cf262dc15cddc36329dd92
Markdown29adbfd0dfd22e086ffb123ad0d3e0c744bed5fe47a004efc73445a1b956fcb0
PDF
Publication page3d480272ab65924dfeeadce0a4cba146b152e93a66476b4a34c2f21bf8494b2b
Manifeste6fcc430dd125456a2eb92efaf2e5acc07f20018194d4ad35be7d8f07ec00f6d

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
Signature2A5hz/sXWE4fgjM1toF9ATc1QHKo+7ZeDD1azr7Mfb6614xgdxhVe2bwdTxxshZd5vY09H28PsTKlIZsfj8ADQ==
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

2026-09-17T10:51:40.371836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056126
observed 3d480272ab65924dfeeadce0a4cba146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.354521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056126/manifest.json
observed e6fcc430dd125456a2eb92efaf2e5acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.335952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056126/publication.md
observed 29adbfd0dfd22e086ffb123ad0d3e0c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:40.318051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056126/publication.txt
observed ed95b5d57ddbb4dcf83bf000ec4a4b27...
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.