OpenTechnical

OT-2026-000037121

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000037121) never changes.

Identity and time

Publication numberOT-2026-000037121 · never reused
Internal UUID01a0ae77-7741-754b-8fa2-54b38c57b266 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037121
StatusPUBLIC

Content hashes

Canonical text0b271a8202c5f1f6a196202df8fa94e0bc64759907650549bc4dcdf173e3fd74
Markdowne2ff51bee722471ce28179595b966c82bec6d2fd3920c011bf394e9d51e49276
PDF
Publication page3d6b969fce82796a2c416f7770b906864f5db7521a5db8c1b2af38ade4aa97de
Manifest5201f1a85af3bfe2dfe12b4be60a8f75a5b8a9c346a3c1703375b95fa2cda4fa

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
SignaturegsZ7A5nDk/yMHjdVy1TH7sLwKUBGbzouBd8B77h0Irxghc9gyB6PtiY8OTdL3NfYt7H4MImAHmySUI7tGRGRDg==
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

2026-09-17T11:24:59.536584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037121
observed 3d6b969fce82796a2c416f7770b90686...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:59.522500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037121/manifest.json
observed 5201f1a85af3bfe2dfe12b4be60a8f75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:59.505859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037121/publication.md
observed e2ff51bee722471ce28179595b966c82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:59.489478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037121/publication.txt
observed 0b271a8202c5f1f6a196202df8fa94e0...
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.