OpenTechnical

OT-2026-000065838

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000065838) never changes.

Identity and time

Publication numberOT-2026-000065838 · never reused
Internal UUID01a0ae8e-46fb-7569-b483-0578afd40058 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065838
StatusPUBLIC

Content hashes

Canonical textfb022aa9b64d0178ab1f6ab61130f7f0edb3fcab2682a3d56d43414c3e34815d
Markdown7ad6e5d394fec912ac1c3add8d52b3dd9004b63f30c8b808d5ef3302e1825787
PDF
Publication page4c86ac9cce5b79928866022843708a0d5020e4cc763dd1468fcfd505a4f67e46
Manifest1aed723c0ea7ba3f0bc04848327aee4b5b7bdb1e79a0ed62e3078e719fc3a765

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
SignatureY4SBWXv/PEXJADSSHYPv9xw/w3rxSATdzZ2BZNQ9j/wJXpMbMdYKvunYizRjAxC+tpaiayk9rsKRt/Sp7furBA==
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

2026-09-17T10:34:17.459169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065838
observed 4c86ac9cce5b79928866022843708a0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:17.440772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065838/manifest.json
observed 1aed723c0ea7ba3f0bc04848327aee4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:17.418830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065838/publication.md
observed 7ad6e5d394fec912ac1c3add8d52b3dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:17.402000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065838/publication.txt
observed fb022aa9b64d0178ab1f6ab61130f7f0...
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.