OpenTechnical

OT-2026-000067157

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000067157) never changes.

Identity and time

Publication numberOT-2026-000067157 · never reused
Internal UUID01a0ae8f-14ff-7fa1-8849-a05573f8a4d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067157
StatusPUBLIC

Content hashes

Canonical text49429abf2e05e356bdc1d04f72b592f3d0f42cf808e9942e8bd40745381a58cc
Markdown6b0bdb0f283654dc6a8f7a35f939c6961827cbdd2270375ed29485715012e5d7
PDF
Publication page60ad5c46009693635d56171d274b32f40985a6bd56531f9b7ce590be59938584
Manifestca1b49b0b6df10ee83bec64d8ac1c5c31b91526e6a00198cc21546837f66fd47

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
Signature8uEoriT7jlGLgsAeWqPPrwQ8SQuiG7Rwk3zDHNcYMo3zE2vCsPBNk9yZxh0XXcF2qwyN7Q//lFyErcfZFyamCw==
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

2026-09-17T10:32:26.327021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067157
observed 60ad5c46009693635d56171d274b32f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:26.310207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067157/manifest.json
observed ca1b49b0b6df10ee83bec64d8ac1c5c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:26.291550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067157/publication.md
observed 6b0bdb0f283654dc6a8f7a35f939c696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:26.275181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067157/publication.txt
observed 49429abf2e05e356bdc1d04f72b592f3...
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.