OpenTechnical

OT-2026-000009725

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line 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-2026-000009725) never changes.

Identity and time

Publication numberOT-2026-000009725 · never reused
Internal UUID01a0ae6b-7564-7544-8cf7-d1a90bce2ec3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009725
StatusPUBLIC

Content hashes

Canonical texta338710fb828c8a5457fbded5fc9b965d679831e84d8dcc2ce2c4e60ce59436f
Markdownb5ab320a0e16a44297805a23ed40deede00672a7061018858f66e70dfd32f51e
PDF
Publication pagef3615614052ce1795a5343fc2165e2c3627b7df3c86c0771dbd77e7b79a162ce
Manifest9aa35dfe0f935bb069766c0183e5a5a55171b676238191afe924412945d64d0f

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
SignatureEkNNkvX0oNOfqSrC4TIN2Fb5N1gJzvB8sRqthxYbjG1Eom3kaV37QVjZc/NoW5IVrjQWYxo5nFBhsRgYi8ptDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:13.367926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009725
observed f3615614052ce1795a5343fc2165e2c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:13.347102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009725/manifest.json
observed 9aa35dfe0f935bb069766c0183e5a5a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:13.326177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009725/publication.md
observed b5ab320a0e16a44297805a23ed40deed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:13.305322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009725/publication.txt
observed a338710fb828c8a5457fbded5fc9b965...
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.