OpenTechnical

OT-2026-000076804

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000076804) never changes.

Identity and time

Publication numberOT-2026-000076804 · never reused
Internal UUID01a0ae94-b070-7863-af46-7eb5a38bbcf1 · 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-2026-000076804
StatusPUBLIC

Content hashes

Canonical text0f33e0ef9c6cb734da246b2e9429c2d46dbfeda447cfb238dbfdf431d7520bc3
Markdown8886b7853c5c1f4f2df03922a6345d89e6061069bf7549b25eccc1ac8f024ece
PDF
Publication page8f3d42194bc34ab797ad947eb284aea9b57b7cc63ff308ac96264533398f5f1b
Manifest8cc15208c2a5554739f7f26bed54dc8cf20e3436862c02a29140f2cdcbc27b63

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
SignaturewdOT8xOL9iWynSUADlnT57UFUJ7T90yab0QQW+olkRj1oRVGX7wN+8jE5yLPw2K8vWSLqBGz4zmhGVNdW6FjAA==
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

2026-09-17T10:09:40.269844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076804
observed 8f3d42194bc34ab797ad947eb284aea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:40.251408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076804/manifest.json
observed 8cc15208c2a5554739f7f26bed54dc8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:40.230305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076804/publication.md
observed 8886b7853c5c1f4f2df03922a6345d89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:40.211118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076804/publication.txt
observed 0f33e0ef9c6cb734da246b2e9429c2d4...
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.