OpenTechnical

OT-2026-000066987

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000066987) never changes.

Identity and time

Publication numberOT-2026-000066987 · never reused
Internal UUID01a0ae8f-14fe-71e3-b0e4-65ac51a019a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066987
StatusPUBLIC

Content hashes

Canonical textc03858c8b5ad4012bcd9fcd276f9ab31c8f094c28f14a160ad52fe6d805ae8d1
Markdownc66abb987e9389e6fd96a22a630560f15d5f2b7c3a3c717902a7b506509eb402
PDF
Publication page2127a7d3074465cdc8052621ef8689d1258743044fda481e6cfde3820eec0bc2
Manifestb042f3c1ef9b30802d629f0aaf59f3c18f62e06a9a4f508c43370c03e1436529

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
SignaturemL6xd2zdUIeavNpUy2bi8cL2keZPkXEd/BdESKJXm+dETfT3kfHlfIJc6LTQxsqr+LkBuAWR5rdOkCAc3oN2Aw==
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

2026-09-17T10:32:12.751322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066987
observed 2127a7d3074465cdc8052621ef8689d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:12.732857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066987/manifest.json
observed b042f3c1ef9b30802d629f0aaf59f3c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:12.716718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066987/publication.md
observed c66abb987e9389e6fd96a22a630560f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:12.697935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066987/publication.txt
observed c03858c8b5ad4012bcd9fcd276f9ab31...
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.