OpenTechnical

OT-2026-000012160

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000012160) never changes.

Identity and time

Publication numberOT-2026-000012160 · never reused
Internal UUID01a0ae6d-39f4-710b-9047-c56af8a07a65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012160
StatusPUBLIC

Content hashes

Canonical textfff4a9bcf8cbb5b1b2225fc9e13ddaa4383f86f24e7b447c7646ebf83b1c6c7c
Markdownae986bb86dd53138a21113af0764aed3537551e19b62ba7db888bc8a5a56c979
PDF
Publication pagea86936c0f1e6b3f5ea2c59bf7247fcbe6841ea1d2ac200a55121b0ca70d29b2a
Manifest008b916771d456d1c67c5a8adbcca43451f266cdfb3c1927781dcd1bbb568254

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
Signature8SKY9poHdKiKt1fEdpGd1FUzYmTZnuJNoPH/5krZOht8DifvjOF2WYfwjqJLBXrqd4dsoIn0lkvm9t13mU7uDA==
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

2026-09-17T12:11:03.459098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012160
observed a86936c0f1e6b3f5ea2c59bf7247fcbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:03.439703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012160/manifest.json
observed 008b916771d456d1c67c5a8adbcca434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:03.419905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012160/publication.md
observed ae986bb86dd53138a21113af0764aed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:03.400512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012160/publication.txt
observed fff4a9bcf8cbb5b1b2225fc9e13ddaa4...
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.