OpenTechnical

OT-2026-000074908

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold 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-2026-000074908) never changes.

Identity and time

Publication numberOT-2026-000074908 · never reused
Internal UUID01a0ae93-ac2d-7e69-868a-b04dd3a20c8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074908
StatusPUBLIC

Content hashes

Canonical text9c051c72be60bc2dcc3552ef7118989b0150881549fe8abebb32ed7b8752f93b
Markdownc4ca36964bffb97aa6bbb7e6ee81e46e3fdc854ec90a34d5c7f068190ce55813
PDF
Publication page0e878fe091e55855cccd915026aab8bdc1d59315b0699bd87653d360837ca568
Manifest19ee9b843a1e9b30535e43ae388bb92d0101153c8b724c1ff905561012836530

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
SignatureTkKSq1EEiOffQA061mwtEE5ZOOeHbYVHZ1/jyvSvaL2gn0pGXYYXFqcNVplVNhGvcaMRwepgu9sRahAD3+zrBQ==
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

2026-09-17T10:18:37.910189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074908
observed 0e878fe091e55855cccd915026aab8bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:37.893573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074908/manifest.json
observed 19ee9b843a1e9b30535e43ae388bb92d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:37.876514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074908/publication.md
observed c4ca36964bffb97aa6bbb7e6ee81e46e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:37.860397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074908/publication.txt
observed 9c051c72be60bc2dcc3552ef7118989b...
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.