OpenTechnical

OT-2026-000068281

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000068281) never changes.

Identity and time

Publication numberOT-2026-000068281 · never reused
Internal UUID01a0ae90-247f-7a52-ab33-7c303ac7631c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068281
StatusPUBLIC

Content hashes

Canonical text75ba7b05ceedf2cab539a1a037e548b0e06b262e62f45ec8c13c5892f90e4d99
Markdown566f84cc067fb0cdfd0ad0262dbb35df78ef1afae8f6ea991401b8b6a43bd23f
PDF
Publication pagee03f60bab6fd10c75472b92a667f6cd1cb12ad21f6d0a29469adc606101555e5
Manifest19eabc758a190a6cf1446e5b6ff1b01dae92959cfa0280ab3c304ea8e376b119

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
SignatureKfs9VyNYdlf+16lnAm5Gd5TGFKKIWulIrlIimledGjY/LUsiwSi+v81MzSAtt9YGAYKCg47FYf+66LDLTFWLAg==
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

2026-09-17T10:29:18.651319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068281
observed e03f60bab6fd10c75472b92a667f6cd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:18.635446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068281/manifest.json
observed 19eabc758a190a6cf1446e5b6ff1b01d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:18.618139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068281/publication.md
observed 566f84cc067fb0cdfd0ad0262dbb35df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:18.599588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068281/publication.txt
observed 75ba7b05ceedf2cab539a1a037e548b0...
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.