OpenTechnical

OT-2026-000057024

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000057024) never changes.

Identity and time

Publication numberOT-2026-000057024 · never reused
Internal UUID01a0ae87-d5b6-79bb-973d-36b7e738efa5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057024
StatusPUBLIC

Content hashes

Canonical texte6ddc11c68091da5344746b8ecce1aa38f8665469ac5a02718f6e5584ac89a5e
Markdown1931d6c678f2114b49344a2756d04f59fc5f9ef535e61e33ea8a9a1b6799acd5
PDF
Publication page3a12bf48a4098e605d2c7266baae77d27d0216237e2b3e09937d12d6e0ac96e2
Manifest9f11ad3cd67e6875b7054a6224ce04a5e0575cd073851029edc2f72b34ae192b

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
SignaturewctPfs1wYGUDIkjY0b3f86YMllcbyXNiC/T+/OOo3f8WDuWtKKoMAYLABO+ZbcpxViDtx1h4ubnyYOaTUoljBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:30.216223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057024
observed 3a12bf48a4098e605d2c7266baae77d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:30.199484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057024/manifest.json
observed 9f11ad3cd67e6875b7054a6224ce04a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:30.181286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057024/publication.md
observed 1931d6c678f2114b49344a2756d04f59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:30.163845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057024/publication.txt
observed e6ddc11c68091da5344746b8ecce1aa3...
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.