OpenTechnical

OT-2026-000056369

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000056369) never changes.

Identity and time

Publication numberOT-2026-000056369 · never reused
Internal UUID01a0ae87-4bd2-77b0-bbf8-e084102798a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056369
StatusPUBLIC

Content hashes

Canonical text047101cb4dec2d548bf6bde850763e43a3d67d8c842cbd9910fb036695657716
Markdown40cf5eb4eb4276b96e64993353f11ec3077c55f4fdf70c745b0c4d146e90872f
PDF
Publication page1e6cd83cfb422fb514dd4bcf87ea6fa9359121aced266cd1efec9e97bf578eed
Manifestfe44a175aacabd8ebb1490e3f240538c8e20a7d836fe7dd8635ff571798bbe1a

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
SignatureK2vHwwot6v3vpUPaK0TeoVP1fcu+HmUjJ+V51u08ndWAHKjoRjHD4u6lzxcEjUcl58CH1iOChDPveTiqVaEiBA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:53.159282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056369
observed 1e6cd83cfb422fb514dd4bcf87ea6fa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:53.142277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056369/manifest.json
observed fe44a175aacabd8ebb1490e3f240538c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:53.124287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056369/publication.md
observed 40cf5eb4eb4276b96e64993353f11ec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:53.106838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056369/publication.txt
observed 047101cb4dec2d548bf6bde850763e43...
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.