OpenTechnical

OT-2026-000074606

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000074606) never changes.

Identity and time

Publication numberOT-2026-000074606 · never reused
Internal UUID01a0ae93-717b-7408-91ec-04faa9cc02dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074606
StatusPUBLIC

Content hashes

Canonical textc8cbf5830935f7c351abde98b009eeb635d52b697787bfba03351258bb61b03f
Markdownda1aac5d1cdda2adb98f1b5994c67d5d7cf2ade157a2618a8881831e65fb27cf
PDF
Publication page41d8af3036291e338786e8662b0bbe8edb93b7a3281dba2de80bd7cdfdbf55d3
Manifest83e6347dc5f773111f47872ab5667e35a8525a3531398eb566477d6faa326d92

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
SignatureUGan34u2edTxileyMhcf88KyvLNAeuSr7lWUNlHLJ5m4+Yl7oKii3UXOVYkHcaxkYGAXLHPsPgWe2jf/+QoSBw==
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

2026-09-17T10:19:38.021115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074606
observed 41d8af3036291e338786e8662b0bbe8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:38.000846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074606/manifest.json
observed 83e6347dc5f773111f47872ab5667e35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.982323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074606/publication.md
observed da1aac5d1cdda2adb98f1b5994c67d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.962775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074606/publication.txt
observed c8cbf5830935f7c351abde98b009eeb6...
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.