OpenTechnical

OT-2026-000050354

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000050354) never changes.

Identity and time

Publication numberOT-2026-000050354 · never reused
Internal UUID01a0ae82-5c47-7e0c-ae28-1e9b794f0fe0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050354
StatusPUBLIC

Content hashes

Canonical text93cd8f0bd1b3a4e445a2e8ab668c4531166e748d52d0bf00d325dcf49babfdd7
Markdownd3d7ae1cb4a18e2957555a0c919501e2da3b0666451d1713be7b4810769b7887
PDF
Publication page2f4e4edb7428128f34ac55fe130d3be7ab78d007b150cc440fe8eb165bd4c3ff
Manifesta1d60f935ac02b19b8e727f3d945982a6b34c7438a5a014a6a5885f5d1132797

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
Signature4gqZRDVIEjxmEfdGSZzltzFodvexMfPmeoegIeobjcOo5wZtReGCla4RVIjy2SH13l3kkJGiMAjda170fgFtCQ==
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

2026-09-17T11:01:23.095919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050354
observed 2f4e4edb7428128f34ac55fe130d3be7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:23.077571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050354/manifest.json
observed a1d60f935ac02b19b8e727f3d945982a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:23.061194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050354/publication.md
observed d3d7ae1cb4a18e2957555a0c919501e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:23.044473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050354/publication.txt
observed 93cd8f0bd1b3a4e445a2e8ab668c4531...
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.