OpenTechnical

OT-2026-000048877

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000048877) never changes.

Identity and time

Publication numberOT-2026-000048877 · never reused
Internal UUID01a0ae81-134b-7c8b-94af-1d1c7f5f4870 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048877
StatusPUBLIC

Content hashes

Canonical text8526bf7d900f322102f51f3fa5e88c9086ffb48468dcc53c8b9fde04c0cdac08
Markdownde5e3c2b51430f13be7c16311eb6329dd48447dd65917bc0215382c8b2d283f5
PDF
Publication pagec440b0101b6b78dbc565a68fd215e68d6d23e46b4b4d7978a162b7b03c4cb3b3
Manifest40a3ebd29ecf855f9c07821d7053b20b50f3d87a57436db44857f9fe27e23157

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
Signaturebl7HNILHrb1iZ4ebZayyrPMlJRpJoIIxU9zUgjVbPVZAxzLvIRqc0OK0jBd5YdVGvq4DomH/4Ds2FiltpclTBA==
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

2026-09-17T11:03:02.030642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048877
observed c440b0101b6b78dbc565a68fd215e68d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:02.013491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048877/manifest.json
observed 40a3ebd29ecf855f9c07821d7053b20b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:01.995279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048877/publication.md
observed de5e3c2b51430f13be7c16311eb6329d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:01.976139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048877/publication.txt
observed 8526bf7d900f322102f51f3fa5e88c90...
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.