OpenTechnical

OT-2026-000045063

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000045063) never changes.

Identity and time

Publication numberOT-2026-000045063 · never reused
Internal UUID01a0ae7c-f768-7957-9269-21b6bd9d3a56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045063
StatusPUBLIC

Content hashes

Canonical text5a7f5a25971ad95b296c8261e5a1964b777f85c2383cbe973d412557f6bf5a05
Markdown436c4561199d6f8c7c964b4a02c9003a3c8c03f078831d34a5601e6bd5c6071f
PDF
Publication page5699e5bc54d51d3edc9878bdbe4866f7e173659f88bafe9b0a9be7d462af28cd
Manifest279008246be894cad37c35e9388ad2092dc72f46b926df09d56cd693cedeb7a6

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
SignatureG5NO1vIsCw5aYQayNt4yptFyG4vtW7sB7aCio5swHRKWh/iObgNI4HITFWvxGuDTgqnrCbesRvSirC0+W76ZCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:10:05.448380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045063
observed 5699e5bc54d51d3edc9878bdbe4866f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:05.429615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045063/manifest.json
observed 279008246be894cad37c35e9388ad209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:05.409507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045063/publication.md
observed 436c4561199d6f8c7c964b4a02c9003a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:05.390261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045063/publication.txt
observed 5a7f5a25971ad95b296c8261e5a1964b...
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.