OpenTechnical

OT-2026-000039936

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000039936) never changes.

Identity and time

Publication numberOT-2026-000039936 · never reused
Internal UUID01a0ae78-d8d7-7f58-8256-691bf4bdaf5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039936
StatusPUBLIC

Content hashes

Canonical text0b60ccef8d57005004fc2bc3fa1f9dfa52f3a7932119208f45b4bfb85e27228f
Markdownc1a1eb0530a550f99514a324c9d6f97c977ceada5917480245adf5b96d453e82
PDF
Publication page18104f8bcb3e9ede9c63cfe06980cca0bdc98c4b33db6aff7663e83f222b5173
Manifest44bb234f9c4c9156426e2d983f9b116eca6d2d1f50d91303088daeff7057e88c

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
Signature5UYxByIYJ18z1Uiodaw/UkuMMHApnfVj6fPouslDmBKH2WzPPbQODXYsr3004OqOYzjIGymLmFz4P3Fq0cE1Ag==
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

2026-09-17T11:20:14.247679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039936
observed 18104f8bcb3e9ede9c63cfe06980cca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.229879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039936/manifest.json
observed 44bb234f9c4c9156426e2d983f9b116e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.212861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039936/publication.md
observed c1a1eb0530a550f99514a324c9d6f97c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:14.194849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039936/publication.txt
observed 0b60ccef8d57005004fc2bc3fa1f9dfa...
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.