OpenTechnical

OT-2026-000073304

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000073304) never changes.

Identity and time

Publication numberOT-2026-000073304 · never reused
Internal UUID01a0ae92-efb7-7c3d-bb93-9be311f180a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073304
StatusPUBLIC

Content hashes

Canonical textd429826e5ea7e240cff6586b9d91d1b63118d2e6eb2cdc43c00fcbe8b6e7d061
Markdown5c92289a5219f6fbc38ac4ae751b4afc4298b53205289732b9d3b50bf23cd066
PDF
Publication page775719d9bdbedfb9721d462023746399ae3aab3a476bb9e9e553b52bfe1a8c79
Manifest5b28cfad2664b64a69f7e5a96af4099ba16c5562eac002540ef18edd135dddb7

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
SignaturegW98lOnKXhzY7j7W9wqz0TNijw3nS8TgenApu0C0ebsSa4jfG0GqQvjPDGxgOwF6DWHAd+44D2QdIK5PD40wDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:18.910185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073304
observed 775719d9bdbedfb9721d462023746399...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.890211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073304/manifest.json
observed 5b28cfad2664b64a69f7e5a96af4099b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.872316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073304/publication.md
observed 5c92289a5219f6fbc38ac4ae751b4afc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.852933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073304/publication.txt
observed d429826e5ea7e240cff6586b9d91d1b6...
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.