OpenTechnical

OT-2026-000099187

Publication integrity record

Foam pad vacuum gripper, three zone face, four 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-2026-000099187) never changes.

Identity and time

Publication numberOT-2026-000099187 · never reused
Internal UUID01a0aea2-8288-7604-84aa-decd18a33b71 · 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-2026-000099187
StatusPUBLIC

Content hashes

Canonical text1983d325d82647f9ecda04a7861f2223e46fcc51c8c2ab98e6fbfa54f8c4eb86
Markdownd784efad2cad87263b7ff99aab7a4ab47e9d45789ee7c55a8eb1903f5b47021d
PDF
Publication page3dbb4a1d12e1185e0bb5046e2d71e6342cfe2e738cc0ef1e926264d40af92ecf
Manifestec5731e3eec8816dda2aff0c0ad7a8c0731d08ee9df41aef8b32b7b67bbe8b72

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
Signature99BFB8l7nLG9uuXI5hqXSiGveRfR3a9Bz8J7ApDaIVi4qd3kqMY6zP+VG3YQjX91NTT+nD/b0b4fKaf8SyMDAg==
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

2026-09-17T09:30:34.527868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099187
observed 3dbb4a1d12e1185e0bb5046e2d71e634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.511746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099187/manifest.json
observed ec5731e3eec8816dda2aff0c0ad7a8c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.495598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099187/publication.md
observed d784efad2cad87263b7ff99aab7a4ab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.477825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099187/publication.txt
observed 1983d325d82647f9ecda04a7861f2223...
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.