OpenTechnical

OT-2026-000027344

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, sustained blow-off before 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-2026-000027344) never changes.

Identity and time

Publication numberOT-2026-000027344 · never reused
Internal UUID01a0ae72-6997-73ce-a3b7-15f2c59fc62f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027344
StatusPUBLIC

Content hashes

Canonical textea420828fdc87c1b367e9dfce68471df012c28b5192df0006f82712b14929e6a
Markdownf8942c137a624d732979118efdf0cd1183c64400b703da9ded8f52ade5a108c7
PDF
Publication page03e8525f0a666afde83f8bd25e5ce5b17388e87cbd8b2aeec8d714aa5000739e
Manifest5152f58812e973910c482aeeefbfcd2ca30783760ad9d673e85a563ae20f29c4

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
Signature1e0C+Eg22nrID+QMATB8CbwDRdFvvS+NM2e5U4gfHsuvmzPQ5tRW1wwEOJNYpJwhjT4RH5iAhmYS+dam7oJ+Bg==
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

2026-09-17T11:42:45.056559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027344
observed 03e8525f0a666afde83f8bd25e5ce5b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.038759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027344/manifest.json
observed 5152f58812e973910c482aeeefbfcd2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:45.018015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027344/publication.md
observed f8942c137a624d732979118efdf0cd11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:44.997378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027344/publication.txt
observed ea420828fdc87c1b367e9dfce68471df...
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.