OpenTechnical

OT-2026-000062471

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000062471) never changes.

Identity and time

Publication numberOT-2026-000062471 · never reused
Internal UUID01a0ae8c-0ac0-70bf-8c2f-5a937932ef4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062471
StatusPUBLIC

Content hashes

Canonical text2eeab6631c50b4ad7e712e1940d80d0a054420fb414c2777f42b79ef4b471e7a
Markdowne998d59661416dd4387a3fc7c69515694fe8cd992d3c64c4bfd19b89c606cc3d
PDF
Publication pagefaaf5e49daac03276409275c95fb9f453888e295b071993d0991075550024f66
Manifest29a056b947b81989c000f83b4104ed1ccb20301947bf4bab1478c79db8bbbe59

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
SignatureVZJVTjEiTGOELi9gyl6n75kzB/MkhvHLDWFt7hq7yIHM4WnP+C8ZvyEke9IvVRKEbvSnNRxbiLj8CnjQl7vgDw==
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

2026-09-17T10:39:49.418449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062471
observed faaf5e49daac03276409275c95fb9f45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:49.400093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062471/manifest.json
observed 29a056b947b81989c000f83b4104ed1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:49.380785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062471/publication.md
observed e998d59661416dd4387a3fc7c6951569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:49.360687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062471/publication.txt
observed 2eeab6631c50b4ad7e712e1940d80d0a...
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.