OpenTechnical

OT-2026-000098972

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000098972) never changes.

Identity and time

Publication numberOT-2026-000098972 · never reused
Internal UUID01a0aea2-8286-73b3-8a0d-239528d1261b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098972
StatusPUBLIC

Content hashes

Canonical text15e8fb40d415d895947609abe2f5a5bf70effff8f8d98bc3ce4ba862c05ec75c
Markdownd974f29d92128f154bbffbac0625afd5f81ed8ed0be87fbc3ef56a4bc6d29ae2
PDF
Publication page48b16b840c0c2d5d65ad3c923e01439a7fb2cd8c7fb5aa83e87628edc4b94297
Manifest7c6a13e0bedd2bedba38258298cba0ed3abbd93ed1bc9a1b56aea82049fb638f

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
SignatureJmSjLVryfNMQ7KjuwGI3PZyqRCJ2H6roLQaHSDYSiCRT+PFHfX4M6c1dIyx7wLBrTz9Hst9twQodOcS8si4gAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:02.962875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098972
observed 48b16b840c0c2d5d65ad3c923e01439a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.944454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098972/manifest.json
observed 7c6a13e0bedd2bedba38258298cba0ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.928447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098972/publication.md
observed d974f29d92128f154bbffbac0625afd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:02.911875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098972/publication.txt
observed 15e8fb40d415d895947609abe2f5a5bf...
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.