OpenTechnical

OT-2026-000076357

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000076357) never changes.

Identity and time

Publication numberOT-2026-000076357 · never reused
Internal UUID01a0ae94-6a70-7f5d-87fa-e9fcddc9372b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076357
StatusPUBLIC

Content hashes

Canonical text4e30684cb20372c969f558c0c2753ba3a803f5a7644541658ebde3935f9ff690
Markdown01a26fdd1b8f67fa441bf18931abb54eca59e321400e15bab38fa68b6fcacc33
PDF
Publication pagef9be93ea9837cced373bbb3b8f3293680acebd3f11e4b71b2602610452acf73e
Manifest8971cfe643ff90586808a889c9be1be30f3e59b6acdc435b8275f53cae42a797

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
Signature9sCcQ+o3+BeGcKSPo4erXH/YGEcVL3TPFFH9WkiGppnfELpCPXHAsTKs+GeVUac6ZcEBoBADLhxsjocRWfnXCw==
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

2026-09-17T10:12:13.276485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076357
observed f9be93ea9837cced373bbb3b8f329368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:13.257661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076357/manifest.json
observed 8971cfe643ff90586808a889c9be1be3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:13.239396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076357/publication.md
observed 01a26fdd1b8f67fa441bf18931abb54e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:13.219321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076357/publication.txt
observed 4e30684cb20372c969f558c0c2753ba3...
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.