OpenTechnical

OT-2026-000088305

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000088305) never changes.

Identity and time

Publication numberOT-2026-000088305 · never reused
Internal UUID01a0ae9b-5d27-7ee4-b364-0ce7f48ee75d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088305
StatusPUBLIC

Content hashes

Canonical text808fd988e8d55176da12ea19eaf5b4b911ce8082026cb93fe56a6d64ba727d54
Markdowna60b0bd87add4b382ef59a8725cf3090439d65c0d7d26668a2b2e65c48a7d87d
PDF
Publication page599f5b2a3f3410132de549df0c5225df0370475ecbab8aee5bbffb362043b63e
Manifest2714f34289ae9665b2a9aa528002981bb21de1d56c54f0de594af1af00cbc14b

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
Signaturefh+wBHuXKKWaZ6dC2IhdeZ6rVBfvNj2E+JhSUTVCPIsdGbGSoyDAGuX3xpm1MdH3b2Bg2N3tOO3v1kySNSjmAA==
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

2026-09-17T09:48:38.540765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088305
observed 599f5b2a3f3410132de549df0c5225df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:38.521231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088305/manifest.json
observed 2714f34289ae9665b2a9aa528002981b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:38.502381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088305/publication.md
observed a60b0bd87add4b382ef59a8725cf3090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:38.484615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088305/publication.txt
observed 808fd988e8d55176da12ea19eaf5b4b9...
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.