OpenTechnical

OT-2026-000010894

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000010894) never changes.

Identity and time

Publication numberOT-2026-000010894 · never reused
Internal UUID01a0ae6c-540d-7d36-a077-4d4455b96890 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010894
StatusPUBLIC

Content hashes

Canonical text9d7af071366d8eb873396be172c395cf27a49d35cfffd401ae70343338f51af4
Markdowncc5774d8d95592d56188e5ae216703b694b0890eeb45ead63ea17c50d923f32c
PDF
Publication page774067188247a81f7b6a1212269922154a0f1e1904024c2933a016fd8737ce06
Manifest1d28c6373f858645c89e8d483bd03d0c5d70368eecf0c74c2f0fca75993d5a8a

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
SignatureJhycz2sMPXEYxYn8OnXrL8WMFGri34DPxebO28I7KBDVHzgeoayD/b7JF7YAT+wATrxhkB/Wg+4z1Dttc6YeDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:39.805886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010894
observed 774067188247a81f7b6a121226992215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:39.787012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010894/manifest.json
observed 1d28c6373f858645c89e8d483bd03d0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:39.768061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010894/publication.md
observed cc5774d8d95592d56188e5ae216703b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:39.750400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010894/publication.txt
observed 9d7af071366d8eb873396be172c395cf...
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.