OpenTechnical

OT-2026-000019133

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000019133) never changes.

Identity and time

Publication numberOT-2026-000019133 · never reused
Internal UUID01a0ae6e-f391-7a71-b0a6-f81ec3e4df39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019133
StatusPUBLIC

Content hashes

Canonical text7025d7e7b641eff708bf753411efd39140a3a3e9cb50cf685834e636284d645e
Markdownf11c0a9ab3eaec1cb4765faea2285dbfb55cb7b78128d8ae0dd6933b52d1f331
PDF
Publication pageba4f08ee5702ef7a36cb9bbee71af9c03dccfc755820db390cde77faeebff303
Manifestad17b908195ca330c4532694f165fdd63b548a4cd9690e1daab776ba86eb4173

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
Signatureh91ORtzqZG5ZjeG3Kmkig0oyCNKbDu7DRrOHZ+NEHU6JCBz6Cg6SrOXKJD3id+p/Gdqy/XHsKUzQazo3ebz/CQ==
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

2026-09-17T11:58:26.547626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019133
observed ba4f08ee5702ef7a36cb9bbee71af9c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:26.530470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019133/manifest.json
observed ad17b908195ca330c4532694f165fdd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:26.506624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019133/publication.md
observed f11c0a9ab3eaec1cb4765faea2285dbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:26.489787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019133/publication.txt
observed 7025d7e7b641eff708bf753411efd391...
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.