OpenTechnical

OT-2026-000073576

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000073576) never changes.

Identity and time

Publication numberOT-2026-000073576 · never reused
Internal UUID01a0ae92-efb9-78da-b26b-c977e3ef9d57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073576
StatusPUBLIC

Content hashes

Canonical textc63c564e1aab12f2fbe7545aabaadfef4b506bc84e0d1bfa7a0d5637bc0a2b1b
Markdownd00c70e07c3de4bba1ddbc7fa88fd5199559702635c636daf7ea96e9d0bbc2c2
PDF
Publication page5ed6dcda57c2610f688212a0dee09b6233a171e32dd9dd759fa814e2a9762969
Manifest959d8c903371faee90e4e37074a37eb79a1f12c96285a8e551c49c271ddba8d1

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
SignatureFiA6/PlX2f7RgRz1jcls+ftwGqeWVNTCROyLgsH+NJLTzlqR2IGti/UDt+iipzus19BBtuOxqpzq9O9RA73aDw==
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

2026-09-17T10:21:45.153212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073576
observed 5ed6dcda57c2610f688212a0dee09b62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:45.136488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073576/manifest.json
observed 959d8c903371faee90e4e37074a37eb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:45.118358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073576/publication.md
observed d00c70e07c3de4bba1ddbc7fa88fd519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:45.100041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073576/publication.txt
observed c63c564e1aab12f2fbe7545aabaadfef...
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.