OpenTechnical

OT-2026-000027553

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000027553) never changes.

Identity and time

Publication numberOT-2026-000027553 · never reused
Internal UUID01a0ae72-6999-70a8-b0d6-5c03b3c7ec75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027553
StatusPUBLIC

Content hashes

Canonical textd9c88f6c856e4119a7e5eb0fda1e801fc419613a6dfa38d49924dd05d4734526
Markdownc20ce7f774a7156c164256450e4344ec5825ad41cf4c6e326bd6bc827ee3d30d
PDF
Publication page6b830266662b801110d7ee0b62358ca7a2dfc598d2de5968eb5dc24d1a1abdfb
Manifest2401a9a2b5b1518c92de241b2a27834a33dfeec5c8db7b114ef5da3e5327a0fa

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
Signaturef3ZfIOikNQeXhTpQ+15ubQUhesPkxrC/cKOE85BP6qJ/pHEd9KrVAbG4B8PoAyAOPo1gfxckvZGQbcDg0kvSCQ==
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

2026-09-17T11:43:02.522817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027553
observed 6b830266662b801110d7ee0b62358ca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:02.505105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027553/manifest.json
observed 2401a9a2b5b1518c92de241b2a27834a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:02.487233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027553/publication.md
observed c20ce7f774a7156c164256450e4344ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:02.469086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027553/publication.txt
observed d9c88f6c856e4119a7e5eb0fda1e801f...
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.