OpenTechnical

OT-2026-000045749

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000045749) never changes.

Identity and time

Publication numberOT-2026-000045749 · never reused
Internal UUID01a0ae7d-8f04-7eab-8316-cc7c02a9473c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045749
StatusPUBLIC

Content hashes

Canonical textbbb221d47403220a272d985b137546b91c1828ec4cffd6b1af34be42a113952d
Markdown5cddf5856d7acbd375bf078211e2d6188e37347885d4b9ad0f1fc1210b0fc5c7
PDF
Publication page521eaeafa7823ab3eb3ea54c3f4d1c0aebaf4a99c1571bf20c35c66b27a34d77
Manifestb02cc61d2dca62da539c73ac73e6c59596ed3323c67e7e95ce5d6fc48bd0fc20

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
SignatureNrYTK2vH1QiAcBeAlH92JbOp2iGPRxnGdpdzmHH9EIoL5fDJJhnO2CVf5vf0B6QCWuD7wzM81ceu5at6FYECCQ==
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

2026-09-17T11:09:34.294091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045749
observed 521eaeafa7823ab3eb3ea54c3f4d1c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:34.276134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045749/manifest.json
observed b02cc61d2dca62da539c73ac73e6c595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:34.257569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045749/publication.md
observed 5cddf5856d7acbd375bf078211e2d618...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:34.234884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045749/publication.txt
observed bbb221d47403220a272d985b137546b9...
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.