OpenTechnical

OT-2026-000097872

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000097872) never changes.

Identity and time

Publication numberOT-2026-000097872 · never reused
Internal UUID01a0aea1-92f6-77e4-8bb3-ca6a2a2babe3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097872
StatusPUBLIC

Content hashes

Canonical text59b219cbc4aa7ef80f43f77234268195a0ee6d68f8c8c7ef54dfff294cb36720
Markdown847d4d7cd043e4e5d2ce3de78379d48d662131f97c8c51ec069c42f4da64121f
PDF
Publication pagee3c43b4e0998796b1606d29958cb24dde7392f70290bfbeea3932224dad1d9f3
Manifest67bbf24893ab179f7c6c86c49b610e891e63026416144dc6f684a2946b2afb23

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
SignatureLUdHcKFRHX/bZy9GKH5QizQF6AohuNtEBKWB7oLFLVr8g6s6LElkdieuz9KSEH99VM54dUyNWO/opv2QK9BlAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:59.221406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097872
observed e3c43b4e0998796b1606d29958cb24dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:59.204387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097872/manifest.json
observed 67bbf24893ab179f7c6c86c49b610e89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:59.187531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097872/publication.md
observed 847d4d7cd043e4e5d2ce3de78379d48d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:59.169636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097872/publication.txt
observed 59b219cbc4aa7ef80f43f77234268195...
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.