OpenTechnical

OT-2026-000028086

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000028086) never changes.

Identity and time

Publication numberOT-2026-000028086 · never reused
Internal UUID01a0ae72-a520-7929-99d8-7badc9323f9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028086
StatusPUBLIC

Content hashes

Canonical text043572d9fa7bbf3d05448a5aeca920bdeb76269a2c2cc0f18ba84cf488340c8c
Markdown5712eb7be8f9f8432aa7962e14a16a07289f6c5947c9f812e6d170b22733d78c
PDF
Publication page6f1bc3afb4a3f7787d0e0e43643e899f6ba08dc64212cd5430584a4da4308a28
Manifestbcaed660b310b94e24a10129decebfe9bbd513e625b893e011c53bd006722a4c

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
SignatureJGlcX8hWGogLPBHdoGX00p3s85siXpRKqdp76m0BkqKkmIgfJWyc9VTkhGrHu1fT8WU4GG1DMK3Uo9cLpuhHBg==
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

2026-09-17T11:42:25.666681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028086
observed 6f1bc3afb4a3f7787d0e0e43643e899f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:25.651493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028086/manifest.json
observed bcaed660b310b94e24a10129decebfe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:25.634440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028086/publication.md
observed 5712eb7be8f9f8432aa7962e14a16a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:25.618238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028086/publication.txt
observed 043572d9fa7bbf3d05448a5aeca920bd...
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.