OpenTechnical

OT-2026-000037931

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000037931) never changes.

Identity and time

Publication numberOT-2026-000037931 · never reused
Internal UUID01a0ae77-f88a-7761-a5f6-e51be780f809 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037931
StatusPUBLIC

Content hashes

Canonical text632022cf1521191a064f16cf9a38c164a18e396c5302bb40a2b6d167e3995838
Markdown14821e4d1a83ce3adc0af0902e228cb543a30483e3188aee92df75db80c8a6b6
PDF
Publication page1c538fefc6a949f952d4dc3ecdbcfeb3e97addaec17fef9f0397fd01540ee816
Manifest4421b8d716fb5d8ec6e265a48d70820109f2991834e9c70532e6ca708f3ad8b1

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
SignatureP4u58WR+e7EKGVwdeAdUd20vZsWxF/uZr9srG2UFzLxId1mNKb1Jdrx6ZB/eBdY7sd4R6oXOSRgEP59abcpnCg==
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

2026-09-17T11:23:12.758905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037931
observed 1c538fefc6a949f952d4dc3ecdbcfeb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:12.743546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037931/manifest.json
observed 4421b8d716fb5d8ec6e265a48d708201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:12.724600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037931/publication.md
observed 14821e4d1a83ce3adc0af0902e228cb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:12.707083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037931/publication.txt
observed 632022cf1521191a064f16cf9a38c164...
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.