OpenTechnical

OT-2026-000014287

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000014287) never changes.

Identity and time

Publication numberOT-2026-000014287 · never reused
Internal UUID01a0ae6d-b279-7348-b0ed-54d612ab2df7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014287
StatusPUBLIC

Content hashes

Canonical texte4ce0d2f9585b5ee67dc3d350b44ebe0e20328cf3f0230ffa8b8aa8242d414fa
Markdown604c13c37fa3ca875139a21e9dcbf2b2321d16376ea274fa6fcdff9a71fba70c
PDF
Publication pagea496c05dea5351705d810fdb40f42f7e7325ef4fb531cae3f90f8e2ef07d8016
Manifest88eb5f1eebc8be11abd8a70ef5f35796514b914fe98a42f812ffa869109bf523

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
SignaturezXlLmFqDWsL6fPmrLFEX8xlKgKJnF9nVuJTPQo+1ldC7/EK3CaF64gM3bAoKLtiTSaZrJdIJmDHdoZ5beiNPCA==
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

2026-09-17T12:07:30.289039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014287
observed a496c05dea5351705d810fdb40f42f7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:30.267451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014287/manifest.json
observed 88eb5f1eebc8be11abd8a70ef5f35796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:30.248397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014287/publication.md
observed 604c13c37fa3ca875139a21e9dcbf2b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:30.229149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014287/publication.txt
observed e4ce0d2f9585b5ee67dc3d350b44ebe0...
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.