OpenTechnical

OT-2026-000081393

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, sustained 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-2026-000081393) never changes.

Identity and time

Publication numberOT-2026-000081393 · never reused
Internal UUID01a0ae96-f375-703d-a323-b208bcc385b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081393
StatusPUBLIC

Content hashes

Canonical text35a643d7ba70f6e8a271633d21e8d8c7bfabdeb4f04cf3786d3579e6186df771
Markdowna5fd1daf109e1b4278c2756ed88701e8488a5bc700094d0cfbdc4750220b215a
PDF
Publication page8ced3e3f659b23932cfc8bfb2364946e4605d7427fa9c66adbbb13dc11aa95ef
Manifest085bc6566ea5a7f9bd0a7a750b194f22a007e95af792534b41cad1f0e8fa4168

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
SignaturecbBmRL1IggjM3+UuVYuO5MZpO21DQKOoROJb5Fpb9HOTFReovgGG0s1Oophe3/bic9KvPNsVaBxFJ4+zTUuzDA==
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

2026-09-17T10:01:32.151866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081393
observed 8ced3e3f659b23932cfc8bfb2364946e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:32.132878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081393/manifest.json
observed 085bc6566ea5a7f9bd0a7a750b194f22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:32.114541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081393/publication.md
observed a5fd1daf109e1b4278c2756ed88701e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:32.093838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081393/publication.txt
observed 35a643d7ba70f6e8a271633d21e8d8c7...
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.