OpenTechnical

OT-2026-000089051

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000089051) never changes.

Identity and time

Publication numberOT-2026-000089051 · never reused
Internal UUID01a0ae9b-daff-75b0-9306-0a66a1ce0d68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089051
StatusPUBLIC

Content hashes

Canonical text160b3ef20550160ff2996386198712632b74b5fd6b6c1baeba99b2c1b86f46b7
Markdowne505b0c9e561b816c6d167178fe398e9eaace2dd0fa052f84bcb7bb054b92cc1
PDF
Publication pageaf8a284093988ffb0b9d2451adbaac129bcfe32676d5d0e215fabfda6eb5243b
Manifest089754209fd11067f1d48afefdbcc84e71ebae81c910dad28acae966b636014a

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
SignatureKW6SbmJsChV5sGre3lvvAbMljfLhaS5gyd7VEyB67NG84/JJOLnH0cpY7zMWMqYf1Ztx4QqF0g2RQp1qSx9vCQ==
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

2026-09-17T09:46:57.021244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089051
observed af8a284093988ffb0b9d2451adbaac12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:57.004910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089051/manifest.json
observed 089754209fd11067f1d48afefdbcc84e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.988025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089051/publication.md
observed e505b0c9e561b816c6d167178fe398e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.971093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089051/publication.txt
observed 160b3ef20550160ff299638619871263...
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.