OpenTechnical

OT-2026-000021984

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000021984) never changes.

Identity and time

Publication numberOT-2026-000021984 · never reused
Internal UUID01a0ae6f-bb5c-7f05-a499-0f6d99ff9a7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021984
StatusPUBLIC

Content hashes

Canonical text3993e1476255eee893a0414d09a24877138d74cc9342026bd2cd5315651bbe35
Markdown8a4d5ea1197782a1ebdaf6512f9b9046e32917f6ca137cb206e63ac765ddf655
PDF
Publication pagec1864032808a92004166ebbe0a00e6b9ffcf969ba6f06382a4d904d9a0a686f8
Manifest0c2e3fbc5c04c626a31d28616cc74a737c6817a35ef50cfa0bed6f10aabd9969

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
SignatureD0mNQl/ZLXXAGoHxEClgIQ8iwf0RB8Bg5uuWJ6/AiHaSZV5cWoHnc8h/elAzad27sCIvCNUBj0mTh9CmL7kYCw==
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

2026-09-17T11:54:39.516311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021984
observed c1864032808a92004166ebbe0a00e6b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:39.499628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021984/manifest.json
observed 0c2e3fbc5c04c626a31d28616cc74a73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:39.481295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021984/publication.md
observed 8a4d5ea1197782a1ebdaf6512f9b9046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:39.461914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021984/publication.txt
observed 3993e1476255eee893a0414d09a24877...
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.