OpenTechnical

OT-2026-000056939

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000056939) never changes.

Identity and time

Publication numberOT-2026-000056939 · never reused
Internal UUID01a0ae87-7af9-7824-83da-f022a69514bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056939
StatusPUBLIC

Content hashes

Canonical textac4bd22d09afabe26d7dbe07d93644714d6e7398af62091f88443f2ed8f66d73
Markdown3e746632d6080b93b6c454409f9052c428e0a8892dd5af9a99b76e1433a6d450
PDF
Publication page7d9a6b64f252efc4790866c9fcf0cd14c2d9ab67517ff5fbc80546875f221426
Manifestb01c3b6bb7f591bab04997ffddbed86441568412c3295a53d58164d77230334a

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
SignaturesJr0aNbkK6p9GmHCsvgoyuvjl1WWO2avrsI7MsLuwWAJyBGe1vgrox2nUzMAqztweiJ3fM7Ae1bjJOYSMJIWDw==
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

2026-09-17T10:50:29.394506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056939
observed 7d9a6b64f252efc4790866c9fcf0cd14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:29.375742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056939/manifest.json
observed b01c3b6bb7f591bab04997ffddbed864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:29.357048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056939/publication.md
observed 3e746632d6080b93b6c454409f9052c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:29.338908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056939/publication.txt
observed ac4bd22d09afabe26d7dbe07d9364471...
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.