OpenTechnical

OT-2026-000058408

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, sustained blow-off 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-2026-000058408) never changes.

Identity and time

Publication numberOT-2026-000058408 · never reused
Internal UUID01a0ae88-f39a-7840-bd26-ae7fe6187e7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058408
StatusPUBLIC

Content hashes

Canonical textaccb5af23fa24e27dfeda181aac0d41221a0a3cfd9b3744986eceea7af7dae5b
Markdownffa4c40720ab57fffd55a8bea1586ab7bdb8fd3a647607462411f3d3d76a48b9
PDF
Publication page1494790d38900aee9d05798c0ef83cd42d990681e722a8a63b1a850f55696fdb
Manifesta31e0f2aebf2adb757d5ba11f09c5d654ab082fbc615baa47f1fad4d8077eaab

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
Signature9AHoAt1aCPIeVmtMTFJQZi5Hf8Zmv0gjBSytZ5vddOMQg9DUtJ4YXGFveRvK6Ctzg9ahi6PWrfwgT4G3AlHcAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:50.346126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058408
observed 1494790d38900aee9d05798c0ef83cd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:50.328992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058408/manifest.json
observed a31e0f2aebf2adb757d5ba11f09c5d65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:50.313567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058408/publication.md
observed ffa4c40720ab57fffd55a8bea1586ab7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:50.297858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058408/publication.txt
observed accb5af23fa24e27dfeda181aac0d412...
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.