OpenTechnical

OT-2026-000055804

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed 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-2026-000055804) never changes.

Identity and time

Publication numberOT-2026-000055804 · never reused
Internal UUID01a0ae87-0a49-7886-8449-e2ec30cd0852 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055804
StatusPUBLIC

Content hashes

Canonical text8a94e37ca6018b1d06d1cb568da3a8473407dcbe14e83f059e8cc190ddcd84af
Markdown2925ef4adeb9d642e135269e3164c8ec6fdc409c2895f57aa3287eb8f535f986
PDF
Publication page0405192bb0e6e13e5de7b5c1af07a902d90b7a0a37cdfe84bcba0ecf615b7e1e
Manifestb33c108cc4d62ab882c7fd12130fd4bc497c26276b94beeead667ee1bc1dd149

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
Signaturex+gXeqTR1THjE0R0+GoSuhgzJ0bxJQJ4FJjfrizVdTW1E7/IDl00JFY7aMO0i35hfYBBdtR59UiqUzOAfq7lBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:10.808601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055804
observed 0405192bb0e6e13e5de7b5c1af07a902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:10.792740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055804/manifest.json
observed b33c108cc4d62ab882c7fd12130fd4bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:10.775375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055804/publication.md
observed 2925ef4adeb9d642e135269e3164c8ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:10.758823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055804/publication.txt
observed 8a94e37ca6018b1d06d1cb568da3a847...
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.