OpenTechnical

OT-2026-000088760

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000088760) never changes.

Identity and time

Publication numberOT-2026-000088760 · never reused
Internal UUID01a0ae9b-8f10-72e0-a768-c2be21e712c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088760
StatusPUBLIC

Content hashes

Canonical text1ea430bda6726c8e8ca7882900c86c894f070a6ea6b13d13ee001b703c0edf32
Markdown1217b3a8a5e9ccc0290a0091fafe47a4788b14c1390514ab5e1c30fa6b487d26
PDF
Publication pagebc6eec05745a6155f46b13268a4ed6c2568dbcbc15643ac7ac42418cd48c943d
Manifesta3a89ae595838db3b15dcbe7ae1055794cd2d81da190307daf1465aea63ffff3

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
Signaturefpm0BF16s4Btz24vxH3/xrYjbRSl+TpzNXoX7jDEgocv6WFAwGgwBFSUFSdsKuFFYv+U7Cj/QLDIdvyyi3aXDA==
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

2026-09-17T09:48:00.705861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088760
observed bc6eec05745a6155f46b13268a4ed6c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:00.688133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088760/manifest.json
observed a3a89ae595838db3b15dcbe7ae105579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:00.669870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088760/publication.md
observed 1217b3a8a5e9ccc0290a0091fafe47a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:00.653338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088760/publication.txt
observed 1ea430bda6726c8e8ca7882900c86c89...
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.