OpenTechnical

OT-2026-000076059

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000076059) never changes.

Identity and time

Publication numberOT-2026-000076059 · never reused
Internal UUID01a0ae94-6a6e-72ef-8a18-42364cad5a59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076059
StatusPUBLIC

Content hashes

Canonical text93454c054ff19db3f51020a83d7a4bc6d52d80bcde15f3d6a000e4946142bb73
Markdownde21b10c64d817651f6677e1b27b5522930168c9a479ead648e177c054b84da7
PDF
Publication pagecc3de9e2a089ee211d7bf55401376f13e57ec0737ea7ab2c1e1a7e1ac408b117
Manifesta0162dbab1ff17fd201f1e27d4c06dbbc26863029a3f3748884d9e9a545f3f55

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
SignatureokaxWcrIaqSyzoyK7ipPxoFeTsxpskKwYquwl+8CBE9a4Hw/6MgccuCDT7y72HjrA8K1iFJyqqdSsWUxm00oAw==
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

2026-09-17T10:10:47.537280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076059
observed cc3de9e2a089ee211d7bf55401376f13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:47.514096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076059/manifest.json
observed a0162dbab1ff17fd201f1e27d4c06dbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:47.491149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076059/publication.md
observed de21b10c64d817651f6677e1b27b5522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:47.469288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076059/publication.txt
observed 93454c054ff19db3f51020a83d7a4bc6...
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.