OpenTechnical

OT-2026-000049733

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000049733) never changes.

Identity and time

Publication numberOT-2026-000049733 · never reused
Internal UUID01a0ae81-8fef-7745-8a5d-ce67b55651ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049733
StatusPUBLIC

Content hashes

Canonical text1ed5b10a93dd9982b97640d2a5759314b3199ce25d2ae2a352acc04e71912d17
Markdownce0de390cc9240dd44140f8992c4d68b6db19e3e7ed4d724029ce65ab5320773
PDF
Publication page4859a5aa4ef1341cfc1231c36617c4ecc8b2ba58b62d28432d5b1f248080a30e
Manifestf60a54e687cdefeda3e1384118fe293fd11280090f18af8ff05109d4a41e2b4b

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
SignatureBK/jlTMg/DtV+dNtmHw+sQj3aBqV77pVAgJhKY46sNqw7a6j8arGwxGrX2MxZoPwjo5pqs/NLgT6YBDSmbN8BQ==
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

2026-09-17T11:02:45.403575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049733
observed 4859a5aa4ef1341cfc1231c36617c4ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:45.386138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049733/manifest.json
observed f60a54e687cdefeda3e1384118fe293f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:45.367135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049733/publication.md
observed ce0de390cc9240dd44140f8992c4d68b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:45.348260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049733/publication.txt
observed 1ed5b10a93dd9982b97640d2a5759314...
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.