OpenTechnical

OT-2026-000074968

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000074968) never changes.

Identity and time

Publication numberOT-2026-000074968 · never reused
Internal UUID01a0ae93-ac2d-7347-b191-4e7e33ab20ed · 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-2026-000074968
StatusPUBLIC

Content hashes

Canonical text31296c6d3daab88caf5a895cb86ca78b06d53f4d240df0f7fb2813990af7a746
Markdown1447496a546f15ee5e2c6cd326bc7db317760436de8a14a993a4e423ec9f72df
PDF
Publication page7968d78960dde22bad15b1c16c61cd835586a5a3c3258fc66b28eed01f8a3c6c
Manifest787ed9f1db479d7d362095db0c53f758cf57362be567dae64b4bf8bd74b98a32

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
SignaturenrjLocF5yHgVkf/74KxgJesyOuCj33g0qMFWQpTiozURz7Bg5bMzTSHBGz0t1jYhCizrggcs92j1PrscOGlLCQ==
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

2026-09-17T10:18:46.183759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074968
observed 7968d78960dde22bad15b1c16c61cd83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:46.154813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074968/manifest.json
observed 787ed9f1db479d7d362095db0c53f758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:46.134226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074968/publication.md
observed 1447496a546f15ee5e2c6cd326bc7db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:46.115134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074968/publication.txt
observed 31296c6d3daab88caf5a895cb86ca78b...
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.