OpenTechnical

OT-2026-000057448

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000057448) never changes.

Identity and time

Publication numberOT-2026-000057448 · never reused
Internal UUID01a0ae87-d5c7-79be-a430-57156979f99e · 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-2026-000057448
StatusPUBLIC

Content hashes

Canonical text0906cab05f366789ac4a3173a6503a9397f45c4aadf36fc995727c94f99cf4d6
Markdown2e775177c448748378d508b6f7294f7ec879adbac396b34795e2661ced3ae3df
PDF
Publication pagee972ed926fa5983c6fb9f9be6632243017b8bfa55287c086e222eca50e6fcbf6
Manifestd65acb74804e357cf2fe719c7d1474cbc909de74ad521a99d887ae5834185899

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
Signaturehk94AYQZgxG1d+8NnUIpY8++b9p06MvqJHyH7KSKGMs/wRwRw5fhR8ydoFtriMPyxsdNtZmLDtzadNZ11z1IBA==
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

2026-09-17T10:49:44.697053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057448
observed e972ed926fa5983c6fb9f9be66322430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:44.679255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057448/manifest.json
observed d65acb74804e357cf2fe719c7d1474cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:44.660364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057448/publication.md
observed 2e775177c448748378d508b6f7294f7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:44.641685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057448/publication.txt
observed 0906cab05f366789ac4a3173a6503a93...
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.