OpenTechnical

OT-2026-000073467

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000073467) never changes.

Identity and time

Publication numberOT-2026-000073467 · never reused
Internal UUID01a0ae92-efb8-75d5-91ee-d34a7813ab44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073467
StatusPUBLIC

Content hashes

Canonical textc8c426ce8d8ad69d372dba954f1171cc1baec72c095f7147498c3320552323b8
Markdowne4ddcca89d919cd04674587cf781e9a2fd91df829c48ee4b05662171b90d8f0c
PDF
Publication page736249e2d6c4a0682774c0b7cbf3b46056199f4b3c048c76bf788fa480bb4d5f
Manifest5e3f71915b7c3ab12de77c05dc5df7e118a830bfa9ea31ee4104f39dd10e095c

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
SignatureBdxqDnS7ojzcbbekVEFu81iRIkEp8b8kcnXDlbyQVte2j3SpzeKJEWa4BxgP0v5OTQOh3gOc32g+NNGlVEqQAg==
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

2026-09-17T10:21:38.054322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073467
observed 736249e2d6c4a0682774c0b7cbf3b460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:38.036109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073467/manifest.json
observed 5e3f71915b7c3ab12de77c05dc5df7e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:38.018350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073467/publication.md
observed e4ddcca89d919cd04674587cf781e9a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:37.999298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073467/publication.txt
observed c8c426ce8d8ad69d372dba954f1171cc...
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.