OpenTechnical

OT-2026-000031344

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000031344) never changes.

Identity and time

Publication numberOT-2026-000031344 · never reused
Internal UUID01a0ae74-87ac-7eb4-b2bc-4fabf0b4e9a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031344
StatusPUBLIC

Content hashes

Canonical textf20c487ee7867881fb8520503fb3b4687e07b7091fe76d9e8fb9e4e7e82ac16c
Markdown5d5926b7cf5d26e76f4e022e23d19efbe7aad648243a41ed324224859ed5700e
PDF
Publication paged5e9042be2e3be2c92b72aefd2cef90b3bd69fa05d8974003cf336f1df06ffb3
Manifest1ba69820d973c19cf8e17e5029e90a3cf5c05c436f2c152b1ababe15d1c45ce4

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
SignaturedbGC430RyA2XYZtN6DY7F/2Fg3hXa4wM+WMVYe7zYarTSN1UScgT7GeU/nQv56kVeQOFrg/ClZFLCAZw4oDaAA==
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

2026-09-17T11:36:02.512257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031344
observed d5e9042be2e3be2c92b72aefd2cef90b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.492243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031344/manifest.json
observed 1ba69820d973c19cf8e17e5029e90a3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.472757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031344/publication.md
observed 5d5926b7cf5d26e76f4e022e23d19efb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:02.453701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031344/publication.txt
observed f20c487ee7867881fb8520503fb3b468...
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.