OpenTechnical

OT-2026-000037492

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000037492) never changes.

Identity and time

Publication numberOT-2026-000037492 · never reused
Internal UUID01a0ae77-b8ce-77b2-893f-bc0adf1b8a8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037492
StatusPUBLIC

Content hashes

Canonical text7964b3968a59aad955694cfc0090b74669e3d762c6b11eda2f535fb1ee880bf0
Markdown5a574ae756dc37b6320e95c0ea5fa9f46e901cd550ed6b2a45cb6e95d28bff63
PDF
Publication page5d6e633313acae9fe3d96545b0bfe7ad12803756dc25b3822cd67a7b54c0363c
Manifeste8467d5554bd85e723a9f6f17c925bee50f0407368b24b2c18b915d773a76703

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
SignatureInyeZLdfVjsZvEZsJYfhYt4Q9W9nHT2CUA2NqmrYl6vmByE1Rq0af+Gw7d/UJ+t5PJ1NOtBfNjTyh8u7bSQABA==
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

2026-09-17T11:23:56.291461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037492
observed 5d6e633313acae9fe3d96545b0bfe7ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:56.272674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037492/manifest.json
observed e8467d5554bd85e723a9f6f17c925bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:56.254360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037492/publication.md
observed 5a574ae756dc37b6320e95c0ea5fa9f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:56.237590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037492/publication.txt
observed 7964b3968a59aad955694cfc0090b746...
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.