OpenTechnical

OT-2026-000076876

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000076876) never changes.

Identity and time

Publication numberOT-2026-000076876 · never reused
Internal UUID01a0ae94-b070-76f0-9fed-88e0eb658b69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076876
StatusPUBLIC

Content hashes

Canonical textad8f0b919d5266516fc022f903df36d8bed80d5178886e600b5d9665ad72ed55
Markdown34be02b4d2b1b744b90a4a7842c9f54d714389893fbcdf61e496f6e1e81db11d
PDF
Publication page6d169fe2aca49726d4ba598be7f2ae52e6fe49b783a80fac78dca31b9b73e24e
Manifestc7545e8a014526bf152970e69518226876623167fdaae16390c20b925a5c5925

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
Signature0Lk9LgagbI1GC3fo5T5HAdr0BWMoTKhe50b8b5hlY/fAn80KOk75O4+r+EHRw6ycbh2UCCOezKKQ05NiZLYlCA==
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

2026-09-17T10:09:46.607003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076876
observed 6d169fe2aca49726d4ba598be7f2ae52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:46.576419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076876/manifest.json
observed c7545e8a014526bf152970e695182268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:46.556547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076876/publication.md
observed 34be02b4d2b1b744b90a4a7842c9f54d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:46.539216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076876/publication.txt
observed ad8f0b919d5266516fc022f903df36d8...
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.