OpenTechnical

OT-2026-000074092

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000074092) never changes.

Identity and time

Publication numberOT-2026-000074092 · never reused
Internal UUID01a0ae93-2b8f-7c95-ab6a-f026623dd26e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074092
StatusPUBLIC

Content hashes

Canonical text62a34f2246bf1c52e4ccdfeff0e6e5cec28ebd8859eb07eaab64c295b509a4d4
Markdown3d5ca00be91bf3b96da2458bc4b9dd6c47663e775d843c855404b22ca52b1824
PDF
Publication pagee2ea4174df1a93b4ea959e7f0266870189a0d04a436713291bee4c5fa677dd03
Manifest14e14bed3f1fdf481224ae2c54d16a3b72cc202599a051e2cb29a275b4cf01eb

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
Signature5F/49PLyQWDpMwXTR9RBPEy64sPBWKK8QC8v0iDRz2cb4qGdsqc/M0eFlHhetBw9lUmgtU3ftcVnQd7uybqfBg==
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

2026-09-17T10:20:59.965896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074092
observed e2ea4174df1a93b4ea959e7f02668701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:59.947600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074092/manifest.json
observed 14e14bed3f1fdf481224ae2c54d16a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:59.929710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074092/publication.md
observed 3d5ca00be91bf3b96da2458bc4b9dd6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:59.911302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074092/publication.txt
observed 62a34f2246bf1c52e4ccdfeff0e6e5ce...
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.