OpenTechnical

OT-2026-000035831

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, pulsed 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-2026-000035831) never changes.

Identity and time

Publication numberOT-2026-000035831 · never reused
Internal UUID01a0ae76-b4c9-7c5d-b6a0-a31f76312d6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035831
StatusPUBLIC

Content hashes

Canonical text45e18694482ed0f862ea0f7b12e67d92b15614d718e92901fdd42e7e15d03ad1
Markdown405f44252fe12c3c0ed4f87d6eed186b53d24c37fdfb8b6ff4233794219779df
PDF
Publication page33d92c91d8a2a5bcb60a6b3ad2521792268febc19f7d00b125d8efffa4df92ca
Manifest0eccbcb585eefe16263afe7974fa9eacb5d558dd8a6b578a3415de51abff2c5c

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
SignaturePDmTMClU73uAO1KzeXtZsjYWwh9bgVuLgW4bB6sxgXxzoLFMgFXF5/dIGc99EfndZnn/s1MKGj7wyl4yNWJYAQ==
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

2026-09-17T11:27:33.129348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035831
observed 33d92c91d8a2a5bcb60a6b3ad2521792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:33.101181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035831/manifest.json
observed 0eccbcb585eefe16263afe7974fa9eac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:33.080119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035831/publication.md
observed 405f44252fe12c3c0ed4f87d6eed186b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:33.064218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035831/publication.txt
observed 45e18694482ed0f862ea0f7b12e67d92...
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.