OpenTechnical

OT-2026-000088255

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line 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-2026-000088255) never changes.

Identity and time

Publication numberOT-2026-000088255 · never reused
Internal UUID01a0ae9b-5d26-748e-93f7-f2cb08324a5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088255
StatusPUBLIC

Content hashes

Canonical textba9032c50a37ae41cd2343d2d9457126cedf5e8c4dff9959fd4a618e17e87b8f
Markdownf02bc3f775e43ed2c1172bffa679cf016bf8289b86573ea4f3c029506ead169a
PDF
Publication page20516ea0520e3323fd72378194387e87ac795095ebac67a3b64e17a236b451ab
Manifest400e7434c696d7b5a5b865d20d68be6740ab47832727412718ee437664205b89

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
Signatureqk7okkNfNiav70+HAwLYorkj3P+cMPciuR5zW6r6PDmzJeWoVJdgxJ9Y9ztnxqEdZdLK3YAue3pi6lMZNS4yDQ==
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

2026-09-17T09:48:33.325776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088255
observed 20516ea0520e3323fd72378194387e87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:33.308394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088255/manifest.json
observed 400e7434c696d7b5a5b865d20d68be67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:33.290209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088255/publication.md
observed f02bc3f775e43ed2c1172bffa679cf01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:33.272914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088255/publication.txt
observed ba9032c50a37ae41cd2343d2d9457126...
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.