OpenTechnical

OT-2026-000068357

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000068357) never changes.

Identity and time

Publication numberOT-2026-000068357 · never reused
Internal UUID01a0ae90-2480-78df-83e3-203b9cdcf4c2 · 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-2026-000068357
StatusPUBLIC

Content hashes

Canonical textcb6d53a736021898ee69d8af46f493622035e9fdb1031f6a09af3b636b0b60de
Markdowncb9a3558d80296cba99ddf8ee5df241eeed289817b916085c0679b23ab55776c
PDF
Publication page4350087913d23612d5e0a5b448efdacc4f79fedd870ffb2ec2b94a537f1b6316
Manifest3004529a6f83454fa1d3b06d08c5dec0259fd8c0592d28129dca1886f02301c8

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
Signature7re2LdajHa2plM/cYI+fGtvtv84uSaO+i6Q8fBIuDR2R+md/cEn4JUhkoo0tkd9zASp2kPFiVhyE6tDw+tisBA==
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

2026-09-17T10:29:24.352137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068357
observed 4350087913d23612d5e0a5b448efdacc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:24.334050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068357/manifest.json
observed 3004529a6f83454fa1d3b06d08c5dec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:24.315707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068357/publication.md
observed cb9a3558d80296cba99ddf8ee5df241e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:24.297878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068357/publication.txt
observed cb6d53a736021898ee69d8af46f49362...
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.