OpenTechnical

OT-2026-000032975

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two 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-2026-000032975) never changes.

Identity and time

Publication numberOT-2026-000032975 · never reused
Internal UUID01a0ae75-4843-7853-bedd-ad6642fe278f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032975
StatusPUBLIC

Content hashes

Canonical textc1714395f9d07f783645926026654d43a4479336632d7d322591be905a7f5c15
Markdown9fcb30e9511717fcbba8ce1196c058551c796bba03662a88e4855f0cb9b1acda
PDF
Publication page5f74cfb6c3054d18da5417e4eb26631bb1784c8a85a5ce491cd7d13e39f9fc49
Manifest27d9478f02751ff066a457c015ffa1c5afe1577c06a0a1c65e51d30092c9e5e3

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
SignatureBT+PLxXGNwgWeG7TKteS0aEeZuE8g+LMwipmEFiRxxmDOpOAWIiVd6H/kfXYAm46+UltXY3XxD6+8vzCKRhmDw==
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

2026-09-17T11:32:35.164589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032975
observed 5f74cfb6c3054d18da5417e4eb26631b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:35.143316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032975/manifest.json
observed 27d9478f02751ff066a457c015ffa1c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:35.107356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032975/publication.md
observed 9fcb30e9511717fcbba8ce1196c05855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:35.063244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032975/publication.txt
observed c1714395f9d07f783645926026654d43...
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.