OpenTechnical

OT-2026-000011888

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, 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-2026-000011888) never changes.

Identity and time

Publication numberOT-2026-000011888 · never reused
Internal UUID01a0ae6d-1942-7665-b858-e810d6a98ff4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011888
StatusPUBLIC

Content hashes

Canonical textd4c7a63bcb7e1d82fc64014d9dd492861592bd38d2ba06b4aabae484f5c29ebe
Markdownfbcafd320c5bd234487642912dab593b9e04997bf56186a51783db81f59e9eaa
PDF
Publication pagef0e826522c97a4e4e49bdec4e0651533e719f76cd42e855c67536e61da0c96d2
Manifestdf4f28931ab1064ff8aade8865d20fbb74ae2d48d95e9b12770617dc67bbecc2

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
SignatureevM0ZjP6ytpuYou8H/C7FCXxaTqQUuFvozNMksnxqeDFpu/6y9LB1xMzxxIG6elBfW1Rar7nckN03pvjDcRrBw==
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

2026-09-17T12:12:38.525353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011888
observed f0e826522c97a4e4e49bdec4e0651533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:38.503990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011888/manifest.json
observed df4f28931ab1064ff8aade8865d20fbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:38.481881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011888/publication.md
observed fbcafd320c5bd234487642912dab593b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:38.461632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011888/publication.txt
observed d4c7a63bcb7e1d82fc64014d9dd49286...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent