OpenTechnical

OT-2026-000088447

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000088447) never changes.

Identity and time

Publication numberOT-2026-000088447 · never reused
Internal UUID01a0ae9b-5d27-7f29-bb45-741d330a3cc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088447
StatusPUBLIC

Content hashes

Canonical text4fab17c96a73b97bd3c4c71ef0dc7fd1b544f4eaf3ed802a3d0c03c6506fbf0a
Markdownefe30143652d1fe2895f25684dc31e4946110f6170d0914eab04206d301e7090
PDF
Publication pagea2365369cf23aea9fc5a2843973e16e6d275cbbd5a2eb555682e5df7e2bdf7a2
Manifestb22e4d72de7a43908fda85cd000196e667f05a75e5de6f75f242181283b7d671

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
SignatureZqM16I3MtJZDvP6b4keOtOVwwEArM9A1Romk6uVmvfVPzZCNixWf37i+69NfgdHe7LwzE0poPCDeJed49QzMBQ==
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

2026-09-17T09:48:49.522662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088447
observed a2365369cf23aea9fc5a2843973e16e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.503521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088447/manifest.json
observed b22e4d72de7a43908fda85cd000196e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.485697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088447/publication.md
observed efe30143652d1fe2895f25684dc31e49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.467597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088447/publication.txt
observed 4fab17c96a73b97bd3c4c71ef0dc7fd1...
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.