OpenTechnical

OT-2026-000074906

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-2026-000074906) never changes.

Identity and time

Publication numberOT-2026-000074906 · never reused
Internal UUID01a0ae93-ac2d-70fe-b174-0349fd18c0d2 · 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-2026-000074906
StatusPUBLIC

Content hashes

Canonical textab9e1af6ebbbcdae763cb570a42d9d676ca0ed5071b4a01544964acf29878ca1
Markdown02121a42d48a03bfd6447c92960f58c50f89716b9598f048e8b71696b479c928
PDF
Publication page77221c6697602af8ea62c517aab96788dd4df46a621960774a45d2bfbd37b873
Manifestf2bb0e73a78f57e2c5d68fc1f6840df35b763b598147cbb25df2e9fb6f8b90f0

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
SignatureazDwD3WpCSZT8+dZH5N8ATKWy/EaQye4RqtI9TPaTpZeEV0uLthFH77owiqhF2lygP0Gf2apxzcuBqMXtqNhDA==
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

2026-09-17T10:18:37.770362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074906
observed 77221c6697602af8ea62c517aab96788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:37.752546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074906/manifest.json
observed f2bb0e73a78f57e2c5d68fc1f6840df3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:37.733973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074906/publication.md
observed 02121a42d48a03bfd6447c92960f58c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:37.716254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074906/publication.txt
observed ab9e1af6ebbbcdae763cb570a42d9d67...
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.