OpenTechnical

OT-2026-000051542

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000051542) never changes.

Identity and time

Publication numberOT-2026-000051542 · never reused
Internal UUID01a0ae83-7c81-7bc0-a4aa-53146ccc4b87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051542
StatusPUBLIC

Content hashes

Canonical texta273c3dcd80dd97dd74ba5f545957ed39ab6e2abaae9a069aebe290cd4a3b3c2
Markdown5ca7dc51a3550033c50766d3c63f6d500349c657c72146113ddfb39bedb5b0dd
PDF
Publication page346edaf1a0afb5a9f08bf86f8a7b68450402340404927dbc8bbb0507b0207a6b
Manifestc80c380cf0bf77ce6bccadd46a32c030881fb03bf2c73c8798e2e0e8335f712e

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
SignatureRBFnjpSK53E5H/KK9aa1ZgblDQW/gurdW3drBvQGA0ObR34cS1c+/kU2q4nc2ohsgjgLrkMqwILapIcIUmdwCA==
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

2026-09-17T10:58:22.371812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051542
observed 346edaf1a0afb5a9f08bf86f8a7b6845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:22.355039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051542/manifest.json
observed c80c380cf0bf77ce6bccadd46a32c030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:22.337378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051542/publication.md
observed 5ca7dc51a3550033c50766d3c63f6d50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:22.319866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051542/publication.txt
observed a273c3dcd80dd97dd74ba5f545957ed3...
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.