OpenTechnical

OT-2026-000051053

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, vented before 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-2026-000051053) never changes.

Identity and time

Publication numberOT-2026-000051053 · never reused
Internal UUID01a0ae82-c7b5-7a0a-a264-2ee442df2e3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051053
StatusPUBLIC

Content hashes

Canonical text20e68bee3baeb13b9ffa955a81906f902aca65c12f2ab7f0ca3652c66e7ff548
Markdown2257bf7f5c9a33445ab7b28f5a87834d6e54de1dbe0de5eaea87f6f342b46973
PDF
Publication pageec71c16b68ac8bae1b9f0afa069278bae5fc59e6b0c7960a2da44689f70b9c5b
Manifest0fe1787e8e797415d82e06c7ab8084198d5dc1e32d993a602920470efad4ed3c

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
SignaturesW6N8VtG6NRN9NQjrOayZnjAcCth7I1DbZ2dBb9nF5XeBYQRzW6tauH4y4EB4ObBGsoYNrK95T4IPAY4tWd1BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:00:58.254867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051053
observed ec71c16b68ac8bae1b9f0afa069278ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:58.233908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051053/manifest.json
observed 0fe1787e8e797415d82e06c7ab808419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:58.214082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051053/publication.md
observed 2257bf7f5c9a33445ab7b28f5a87834d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:58.193271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051053/publication.txt
observed 20e68bee3baeb13b9ffa955a81906f90...
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.