OpenTechnical

OT-2026-000076180

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line 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-2026-000076180) never changes.

Identity and time

Publication numberOT-2026-000076180 · never reused
Internal UUID01a0ae94-6a6f-72bf-b3db-829f421ea6a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076180
StatusPUBLIC

Content hashes

Canonical text085249461f1e3f151f1fd9623e1ccddc41212f70a5c6a5ffa3d6cb45f31c7141
Markdownaa82f834af1a8484ed2fa98c069bf059da96c0edc0d0466421c6fee5acfb092b
PDF
Publication page05097398cda6bddb23dbd32814e5b2f6db66c0784e40d1be28f1bc02302706d1
Manifest35818b0143eb603aba6178bcad8cdb0c375f08047dcb175345c3cc647674409a

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
SignatureD+H74omv85Evmp/slJ13s177lpI7Sv+p+CQS0FlrTTFfhMup1IhbuDQxYk6ivNlNUGP6rGMkSevB0rwXljFWCg==
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

2026-09-17T10:11:28.192650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076180
observed 05097398cda6bddb23dbd32814e5b2f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:27.797776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076180/manifest.json
observed 35818b0143eb603aba6178bcad8cdb0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:27.780370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076180/publication.md
observed aa82f834af1a8484ed2fa98c069bf059...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:27.763063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076180/publication.txt
observed 085249461f1e3f151f1fd9623e1ccddc...
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.