OpenTechnical

OT-2026-000071125

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000071125) never changes.

Identity and time

Publication numberOT-2026-000071125 · never reused
Internal UUID01a0ae91-e0eb-7d7a-852c-04c3254b861f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071125
StatusPUBLIC

Content hashes

Canonical text23be4783e3e77c68d273a9b3da8eb3db0a9478b49df6cced061b451048a42ae7
Markdown6620dcf835d6956e27a923c00883e64b45f0ea70f6d086195849e92b1f061b95
PDF
Publication page6f24e4ece9a251dcb42e05ea960045b2c0f19499690d2875518010591d573300
Manifest0ad79ac0916c09f7f57bbc3ca2038e0e227ea243930671005988fdd6b38b410b

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
SignaturesdNTsAjDbIdX54mJ/q1KzjMd274v0xi2RsanYjNpYY7AsGGHTo4ar482n+kmcML2FtWn7byjiY+/iQ/l9qkzDQ==
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

2026-09-17T10:24:37.262010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071125
observed 6f24e4ece9a251dcb42e05ea960045b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.244524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071125/manifest.json
observed 0ad79ac0916c09f7f57bbc3ca2038e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.224998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071125/publication.md
observed 6620dcf835d6956e27a923c00883e64b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:37.205913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071125/publication.txt
observed 23be4783e3e77c68d273a9b3da8eb3db...
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.