OpenTechnical

OT-2026-000029446

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000029446) never changes.

Identity and time

Publication numberOT-2026-000029446 · never reused
Internal UUID01a0ae73-5e21-79eb-99db-755b8bd748e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029446
StatusPUBLIC

Content hashes

Canonical text4e37730da3c7892e67b9d6ed4464d1b9a6138c5fac289d52730b4383d6532977
Markdownb597e0ce064a5b60c3da7a6a15ec7861d7423587a3ab72a1e811d400673b1ffe
PDF
Publication page60fdfa48cc1fcb6c5e73686c5c0ef85223a2ddc5c4e28034b9594e90e5891ed0
Manifest8e7435608e935bd3b61b1b5392347c271c523939262b65a1488eacd82c05ef78

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
SignatureuuvKu3iCgCrHyM1TAw+97gd2YhwiXDYHkCSfxghDs6E6jM9vUgNOAAa+wQhCe2MzA/ZYTOUPUV73BEoSGAVrDQ==
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

2026-09-17T11:39:03.922091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029446
observed 60fdfa48cc1fcb6c5e73686c5c0ef852...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:03.901911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029446/manifest.json
observed 8e7435608e935bd3b61b1b5392347c27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:03.885781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029446/publication.md
observed b597e0ce064a5b60c3da7a6a15ec7861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:03.865769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029446/publication.txt
observed 4e37730da3c7892e67b9d6ed4464d1b9...
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.