OpenTechnical

OT-2026-000068997

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000068997) never changes.

Identity and time

Publication numberOT-2026-000068997 · never reused
Internal UUID01a0ae90-6dcd-71c4-a2d9-855356802710 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068997
StatusPUBLIC

Content hashes

Canonical text4441f5d5602d8ce94b5b9ca60e09339d55f7a9b7010d3e0da829c9b39d41d1ef
Markdown6f62c790720e5b7c8f8110f578d39022abcd1530eff26726d4a5779d28d8ac65
PDF
Publication page34e9ed2d13744575548834865c8b7820bf87f62f30ebab5851058062276d07ef
Manifestf08e24ef51e56e1e336ea3324d5ddbe1afc7bdba987bc703949a77b0522eac13

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
SignatureJ6z5btHw7DVW3uQ4hyuDWaPZio5DEJvF4EFZSWgYVsF+tuACwAmNkbN7W+X7cwFRF1Lbm6ZCVfXg4eCQhiOeAA==
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

2026-09-17T10:28:50.671659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068997
observed 34e9ed2d13744575548834865c8b7820...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:50.654711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068997/manifest.json
observed f08e24ef51e56e1e336ea3324d5ddbe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:50.632933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068997/publication.md
observed 6f62c790720e5b7c8f8110f578d39022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:50.614529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068997/publication.txt
observed 4441f5d5602d8ce94b5b9ca60e09339d...
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.