OpenTechnical

OT-2026-000046596

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000046596) never changes.

Identity and time

Publication numberOT-2026-000046596 · never reused
Internal UUID01a0ae7e-57de-7122-ac0f-2d0de120ddd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046596
StatusPUBLIC

Content hashes

Canonical text9ed4a5bd0026c510f383857e7b88582b4bd6679adeace4cd40dd2230e4bf4447
Markdownf2fc6100426d2be8a5ec7f1d32b87e8a2bb635a84b11e2aff20f9a1a69c5ed6b
PDF
Publication pageaa6e538b25eee23f25c75f4affb1b622fd90ca1116edf2c4487e24e021c61c84
Manifestb4f3820881bb9d4ba9fab8b5df5f769004b78ffcc8baa7a5a1f02ec6686a569e

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
SignaturevEiPiIbuURt9fFhJTVjMkkObMv0Q9TEcTHplIswFrq5dBYoSD5hDfyJR01/oXHM4x57/RuNlaEd8j7TC3j9pCA==
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

2026-09-17T11:08:40.314672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046596
observed aa6e538b25eee23f25c75f4affb1b622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:40.294898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046596/manifest.json
observed b4f3820881bb9d4ba9fab8b5df5f7690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:40.274438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046596/publication.md
observed f2fc6100426d2be8a5ec7f1d32b87e8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:40.257494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046596/publication.txt
observed 9ed4a5bd0026c510f383857e7b88582b...
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.