OpenTechnical

OT-2026-000099078

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000099078) never changes.

Identity and time

Publication numberOT-2026-000099078 · never reused
Internal UUID01a0aea2-8287-73c4-8702-f24424165a6b · 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-2026-000099078
StatusPUBLIC

Content hashes

Canonical text158aafb80d831dcc54abd51e3f49e4b092a0780e6eb47f31f086971721c90bd8
Markdownd83479fe021663958e76b823e8b4a16e4dacb54bba41f03e660af995e5b93af4
PDF
Publication page3c3cf7aeade1a2ebb16b425987d5ebc4d41098b79837b6e36f1b1d3386d965ba
Manifestd39e6fd10aa93ac007587fcb105fbbdec85c0fc3d6297f1ceb3b19b5a207a407

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
Signature6l+wVTtN1zFmd10wTKKG7u5wGHH/uDrPgyTBZSEGc66mGhPTv4d5o6KCy3LOua4cCsbTTjMEytikfdxxlIT3Bw==
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

2026-09-17T09:30:18.594353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099078
observed 3c3cf7aeade1a2ebb16b425987d5ebc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.575950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099078/manifest.json
observed d39e6fd10aa93ac007587fcb105fbbde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.558351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099078/publication.md
observed d83479fe021663958e76b823e8b4a16e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:18.535895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099078/publication.txt
observed 158aafb80d831dcc54abd51e3f49e4b0...
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.