OpenTechnical

OT-2026-000020056

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000020056) never changes.

Identity and time

Publication numberOT-2026-000020056 · never reused
Internal UUID01a0ae6f-1fb8-766b-887a-194ab912d44d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020056
StatusPUBLIC

Content hashes

Canonical textb1114f0fe00d4682706c2ca321587868f9c7627dc3b61979650a76cb0f61e770
Markdown9096046f38ea68f2f7babf2f158bcbf165acebea0586db9cee594e6406a68ea1
PDF
Publication pagedcbc832ccdeab70a714579a53117a5b869d1f689add5e6571a2c84e47da159a2
Manifestc13ff476165c7e14fc1d90ef87067bdc3355123bdae617b1b17e609cd030f9e1

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
SignatureIZ7f6qszWVYu6VG5y7VhqAxp8GFoROTUXU/emU5KeX1iTzLZnFEVyI9A3Px2JRIrHnwG4UEyqfKWGbSrGpmGCw==
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

2026-09-17T11:58:19.446356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020056
observed dcbc832ccdeab70a714579a53117a5b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:19.429213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020056/manifest.json
observed c13ff476165c7e14fc1d90ef87067bdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:19.411415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020056/publication.md
observed 9096046f38ea68f2f7babf2f158bcbf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:19.394315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020056/publication.txt
observed b1114f0fe00d4682706c2ca321587868...
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.