OpenTechnical

OT-2026-000077151

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000077151) never changes.

Identity and time

Publication numberOT-2026-000077151 · never reused
Internal UUID01a0ae94-f507-7c56-8790-4494f5f2c8d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077151
StatusPUBLIC

Content hashes

Canonical textb317dc5bff3b5638a712ce1f248ca8b29717291cad3b2ddc0dd1aba39b1c0f38
Markdownc92f9fd96f56e4516ceae1523dbadfa7376e2580dbc08e60ce9102a3df1ff278
PDF
Publication pageb7fb07a64e4507eed4f6c08b22b11e5379e41bc025038680bc1beb56174949de
Manifestb2a8f8d34eab1eeb5bfe88e440263b0f5d6714e26a63589d02d6c2deeb925b35

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
SignaturefE9PZ8KrnmNItpLHfyC+hprcJj+S2Bl/VqocYDma7j8sLDs1xMPbeHVZt8o4hiCirvnZCc2nchKF40pq+rSEAQ==
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

2026-09-17T10:10:54.438393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077151
observed b7fb07a64e4507eed4f6c08b22b11e53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:54.046535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077151/manifest.json
observed b2a8f8d34eab1eeb5bfe88e440263b0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:54.028066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077151/publication.md
observed c92f9fd96f56e4516ceae1523dbadfa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:54.009553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077151/publication.txt
observed b317dc5bff3b5638a712ce1f248ca8b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:23.991109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077151
observed b7fb07a64e4507eed4f6c08b22b11e53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:23.970430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077151/manifest.json
observed b2a8f8d34eab1eeb5bfe88e440263b0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:23.946342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077151/publication.md
observed c92f9fd96f56e4516ceae1523dbadfa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:23.924106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077151/publication.txt
observed b317dc5bff3b5638a712ce1f248ca8b2...
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.