OpenTechnical

OT-2026-000093080

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000093080) never changes.

Identity and time

Publication numberOT-2026-000093080 · never reused
Internal UUID01a0ae9e-0910-741a-a606-60af01345995 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093080
StatusPUBLIC

Content hashes

Canonical text9d74efaf8ab0289078885260f0eda24b9669e48adca641e896d23c0da0dcb8d7
Markdown3b38fc9c52d72b36069ac7390530fb4c050c6d3e56f468aa179c50847204abdb
PDF
Publication page91866d8b68f56a2cca394fc7c7fe13fbf4d4d4a2d856f3a10821c3e409b97a99
Manifesta4937a9c1757c6584b736acdec5f88c4b99cb4549f13498c1025b48c70c6445b

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
SignaturekZ6CPrPSiuJMsS3tbxAJg8Cu3apQWJopzepT4Jkv3yqlr5Zs/FBwbNNIGinwwNs4BkCoMsG82vYVhGIwnYnuAQ==
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

2026-09-17T09:40:19.932724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093080
observed 91866d8b68f56a2cca394fc7c7fe13fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:19.914362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093080/manifest.json
observed a4937a9c1757c6584b736acdec5f88c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:19.895132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093080/publication.md
observed 3b38fc9c52d72b36069ac7390530fb4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:19.876678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093080/publication.txt
observed 9d74efaf8ab0289078885260f0eda24b...
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.