OpenTechnical

OT-2026-000086346

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000086346) never changes.

Identity and time

Publication numberOT-2026-000086346 · never reused
Internal UUID01a0ae9a-2c96-7f2b-94c1-3b30d870caed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086346
StatusPUBLIC

Content hashes

Canonical text8c5f688272defc74fe9cb79d4cc7d4527cc0d9c980807905caf8d162c8100b13
Markdown6235cdc6779715eb89e8f578b4fea2c757e18622532872b26461f3ec99fb68a6
PDF
Publication page92afd3780a7ab3d79b984f7c9cef30a3efba48151493bdb3b9a72c9998275ab6
Manifest883a0757b5ab6bba1766aafe57b4f1ad6d2bd017be0953dd4c1eb3a009f13a20

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
SignatureKbeBHrta0iLw729RFtRWZRJMqiWZE3S5/b4PzZ5DXx/1Baj2/r8NlBhdS5o44j3WNPtI0yHUiRasIjkUHWn/CA==
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

2026-09-17T09:52:02.362396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086346
observed 92afd3780a7ab3d79b984f7c9cef30a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:02.344017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086346/manifest.json
observed 883a0757b5ab6bba1766aafe57b4f1ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:02.326942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086346/publication.md
observed 6235cdc6779715eb89e8f578b4fea2c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:02.309955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086346/publication.txt
observed 8c5f688272defc74fe9cb79d4cc7d452...
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.