OpenTechnical

OT-2026-000018373

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single 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-2026-000018373) never changes.

Identity and time

Publication numberOT-2026-000018373 · never reused
Internal UUID01a0ae6e-b489-7e31-99bc-0fc59c8ab2d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018373
StatusPUBLIC

Content hashes

Canonical texta7b0122f842aea916219388c7861265789ac0279274d685a499c8b38d214f5f9
Markdown188967ff2b8852b8958fa4089e0c8137525f936bc069772c26d845ef0a4e6497
PDF
Publication page762fa7ab6e95270a5a0660dbadf316a796e3b0139d23346d2d7b867a0acac066
Manifestf3b7d2983bb577833af17d986424b49d8acd84040bde0ea480951b9239092de6

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
SignatureGFuN0mCbRcgvqcEQtGtcgNeMrDFcSkQTbHOP8lGlfjF4jVe3f6Qo3Qj9XCWy85a9n4BEqp4NmoF4eknyHvl7AQ==
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

2026-09-17T12:01:06.695412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018373
observed 762fa7ab6e95270a5a0660dbadf316a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.677706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018373/manifest.json
observed f3b7d2983bb577833af17d986424b49d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.642835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018373/publication.md
observed 188967ff2b8852b8958fa4089e0c8137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.608334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018373/publication.txt
observed a7b0122f842aea916219388c78612657...
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.