OpenTechnical

OT-2026-000050542

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000050542) never changes.

Identity and time

Publication numberOT-2026-000050542 · never reused
Internal UUID01a0ae82-5c49-7af3-8d04-fdd0b08e3d84 · 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-2026-000050542
StatusPUBLIC

Content hashes

Canonical text06bfdfc4fecf571275c302b36fc23ac534b20932a22d43e5caef0a3536a51b15
Markdown16ff8b26de090e230e495e9bc619e592a208ffd94e56145f074af978e0055775
PDF
Publication pageda63260adb19bbaddb897a1a283e554cdfeaf2618fb9aaf3e70bcaa6a8b5919b
Manifest9eb31e234a1b9c0208324d38c72b99f1a29c22527bfc904393a282d40cab60a4

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
SignatureEf80TMabWP/Qh2bNMFvZa1L5be6o4Ln64AIDjHcWjlJP92jPSd9dGi4ylfbiDIYsrUj1msdkVEsUp3iDffFEBw==
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

2026-09-17T11:01:38.331271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050542
observed da63260adb19bbaddb897a1a283e554c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:38.315997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050542/manifest.json
observed 9eb31e234a1b9c0208324d38c72b99f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:38.298871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050542/publication.md
observed 16ff8b26de090e230e495e9bc619e592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:38.282922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050542/publication.txt
observed 06bfdfc4fecf571275c302b36fc23ac5...
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.