OpenTechnical

OT-2026-000033724

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000033724) never changes.

Identity and time

Publication numberOT-2026-000033724 · never reused
Internal UUID01a0ae75-a390-700d-9308-ee463dd19508 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033724
StatusPUBLIC

Content hashes

Canonical text3f61397a971c080726726c8e2077a4e5f9d8554743699b3e29789d87e90a1a03
Markdown761512652fdf83d1c4d6bbcbce26ca0ee8878b04dcf4bf24fe7488057228bdf2
PDF
Publication page72cc56d9919d6bea00948e82773d0eeb77ffe5ae2ae788ad0a6e40fc333dc0e4
Manifest63e2bf4d133fc6192be62ef3b5cf90703fbfed415e1057ad78b7a6064b576aaa

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
SignaturewfrNR6TsuLl9njn0/7DsI6hv46g7LndmLhH+wNuzkUrxPPc81/v+C8UXTZ1CgQnv1myi9BBmMbWLSbMHbJ9VBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:43.623397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033724
observed 72cc56d9919d6bea00948e82773d0eeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:43.605558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033724/manifest.json
observed 63e2bf4d133fc6192be62ef3b5cf9070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:43.584225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033724/publication.md
observed 761512652fdf83d1c4d6bbcbce26ca0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:43.563964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033724/publication.txt
observed 3f61397a971c080726726c8e2077a4e5...
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.