OpenTechnical

OT-2026-000084598

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, sustained 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-2026-000084598) never changes.

Identity and time

Publication numberOT-2026-000084598 · never reused
Internal UUID01a0ae98-e25b-73f0-9261-66d1d4ec9c41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084598
StatusPUBLIC

Content hashes

Canonical textc162f441a0db15660da9598a41eb2d5845c69a096e8381627d46181d0a4280cb
Markdown464615299db077ef9dcad2a5696d67c0eff3574a05b41b404854eff37676237f
PDF
Publication page91864796bc901eb07db0eaf12c57160a5189b161928864d5162cad6f7aac088e
Manifestb27657c218cb8513a16cf725da6f1aa3931fa4c6709ac181d9e8e595bc1d8fc4

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
Signature2O/VetpTVRjzkybQEX36kqBTGflgoFJXIKb1UXD8eOCCEUwI2vOqwEF8ZNQ3hR1keVYCd1AhAzGe1qtxtzqOCg==
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

2026-09-17T09:55:30.228495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084598
observed 91864796bc901eb07db0eaf12c57160a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.210163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084598/manifest.json
observed b27657c218cb8513a16cf725da6f1aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.189990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084598/publication.md
observed 464615299db077ef9dcad2a5696d67c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:30.171727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084598/publication.txt
observed c162f441a0db15660da9598a41eb2d58...
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.