OpenTechnical

OT-2026-000066554

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000066554) never changes.

Identity and time

Publication numberOT-2026-000066554 · never reused
Internal UUID01a0ae8e-ce41-7523-8af3-95e75ef4a693 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066554
StatusPUBLIC

Content hashes

Canonical textab04c57747c4055800219c34db81c0d66d6c07bdd48855cf486fb882591b8d1e
Markdown2c17a6436f4d9c42d8786a77ab23d645d18a30e05b3f343ff9588042446121e4
PDF
Publication pagebd20eed750a1f7be6e4dcce009daefe1addb037e0a237ae883b53996714bfa17
Manifestc11e93f1bd55424df0264ff4b3c2c8984f17e2c7f8c24d1126ed4cb84e11d25d

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
Signatureg1+1eexXaD6cP7XKctGD9OD2DrxLNFZixlOWPa9M9MfLgLgvCRPtSomQo0JvViPqkt8ahIbNsCyMYE0IEEGXCw==
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

2026-09-17T10:32:49.378920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066554
observed bd20eed750a1f7be6e4dcce009daefe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.362384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066554/manifest.json
observed c11e93f1bd55424df0264ff4b3c2c898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.345220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066554/publication.md
observed 2c17a6436f4d9c42d8786a77ab23d645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.329146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066554/publication.txt
observed ab04c57747c4055800219c34db81c0d6...
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.