OpenTechnical

OT-2026-000062837

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000062837) never changes.

Identity and time

Publication numberOT-2026-000062837 · never reused
Internal UUID01a0ae8c-94a7-7d3a-aa37-518f86fed075 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062837
StatusPUBLIC

Content hashes

Canonical text7122669b470d7bd95fd4d1b40214e69d4b22dd092101f26230bfbe658ecd9361
Markdown7fd8956c7cc6febe35b62bcc0999a1911d01cf83175d7a9de4a352691e5ded71
PDF
Publication page2647d75ef1ea9a5e339d4dcc1a95171f6aded371ecb4d939208c48c8c8b035c5
Manifest21d6b9964c333b11b2ca2a2133fc0007d4d0d0de1dd2bcb1d79c3e35acfdcf83

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
SignaturezO7wYeuNN2N9aWIuQLMf36nE2kXcWCg/Pzf+aiv60y02o0LLqZzrNMJ7n3k8pew1Y1j6J2spwFd6oCPdqxoIAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:40:10.262083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062837
observed 2647d75ef1ea9a5e339d4dcc1a95171f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:10.242160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062837/manifest.json
observed 21d6b9964c333b11b2ca2a2133fc0007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:10.219875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062837/publication.md
observed 7fd8956c7cc6febe35b62bcc0999a191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:10.195138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062837/publication.txt
observed 7122669b470d7bd95fd4d1b40214e69d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:31.824358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062837
observed 2647d75ef1ea9a5e339d4dcc1a95171f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:31.806516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062837/manifest.json
observed 21d6b9964c333b11b2ca2a2133fc0007...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:31.789401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062837/publication.md
observed 7fd8956c7cc6febe35b62bcc0999a191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:31.772630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062837/publication.txt
observed 7122669b470d7bd95fd4d1b40214e69d...
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.