OpenTechnical

OT-2026-000080912

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented after set-down, on a tool changer

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-2026-000080912) never changes.

Identity and time

Publication numberOT-2026-000080912 · never reused
Internal UUID01a0ae96-b975-785a-8f3f-693cd0adacb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080912
StatusPUBLIC

Content hashes

Canonical textca0dd3237d0bd3871acc9e2b0887a4a6ce783b19041f69bc9a0a77f1248792b3
Markdowne38d9f23d65832f7003ccab51451f4e299e34c9ac565ed5611a212faeb7c526e
PDF
Publication page47db501f2ca814138a859618c7e14ae0038262100bca2551dfff199ed8d17b06
Manifest137fcfc71fc30d07111346c7f8db1332de96a58c54dbce820f64504aa7e109ed

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
SignaturebmVpynx4WU4ejypFM9ZYGo5SSez4lckp1R61dL8V5H1pRTNi6n5/jizvvc1h2XqIoyHkd8WBOcr8Gbucct4YAA==
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

2026-09-17T10:02:06.885776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080912
observed 47db501f2ca814138a859618c7e14ae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.868250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080912/manifest.json
observed 137fcfc71fc30d07111346c7f8db1332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.850590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080912/publication.md
observed e38d9f23d65832f7003ccab51451f4e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.833191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080912/publication.txt
observed ca0dd3237d0bd3871acc9e2b0887a4a6...
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.