OpenTechnical

OT-2026-000077730

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000077730) never changes.

Identity and time

Publication numberOT-2026-000077730 · never reused
Internal UUID01a0ae95-2ecf-7d7e-bab7-d832f797766c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077730
StatusPUBLIC

Content hashes

Canonical textdf7398a46ecfe257eb8d2d95ab60085f1f8962c2dcbb24d145562070a6fa8ce8
Markdowna0017964be9f4492e95d13bdc3903948bbe3ffe9875d5b35e170bf89c9967d0b
PDF
Publication page8bdb356110af384b1e92802f9ec4044c7a69ebf52eebb721f5da061cfa2949f1
Manifesta1edfafc89d49f933c3ca9f18b99a2626a191743cfee6d00f8649a333c78d1b5

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
SignatureQ4m8Ea3bcNb3QmGNhbsjL++tw4a0cTCgs7IPZv8LslC5qv3QSdDQ1n6IKqbdRbYJooZYjNy+vx7HpfEHZPQJDQ==
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

2026-09-17T10:07:18.457433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077730
observed 8bdb356110af384b1e92802f9ec4044c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.437531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077730/manifest.json
observed a1edfafc89d49f933c3ca9f18b99a262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.417697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077730/publication.md
observed a0017964be9f4492e95d13bdc3903948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:18.399379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077730/publication.txt
observed df7398a46ecfe257eb8d2d95ab60085f...
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.