OpenTechnical

OT-2026-000095709

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000095709) never changes.

Identity and time

Publication numberOT-2026-000095709 · never reused
Internal UUID01a0ae9f-fac4-78de-8e17-b703e808dc9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095709
StatusPUBLIC

Content hashes

Canonical text37d9642516d801e582a9da10d8b0f5b60e7ef8210bbcbac37afc7f5ace96fe26
Markdown652df75cfdc01e5a562955ad6a6eab12a757c7cad860f460790a3a30b0750d05
PDF
Publication page8fce6bcbe0192a96ecfecd86083eb2e8ebcf334c16525981597280e12aa164a3
Manifest7e446f85f2ce6cee3fa01351ee482dddece8ddfd56e2b928b7b9ebb04b5f2646

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
SignatureZvbW7xMLeHQq3cTsEUeANBkym5vN/bGbJTgjy/SQx4p3O0Geu/PrvmmCISJhVMbmLGFEKI66st3+2Aqw9UtiAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:15.838723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095709
observed 8fce6bcbe0192a96ecfecd86083eb2e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:15.818196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095709/manifest.json
observed 7e446f85f2ce6cee3fa01351ee482ddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:15.769977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095709/publication.md
observed 652df75cfdc01e5a562955ad6a6eab12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:15.721494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095709/publication.txt
observed 37d9642516d801e582a9da10d8b0f5b6...
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.