OpenTechnical

OT-2026-000055798

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000055798) never changes.

Identity and time

Publication numberOT-2026-000055798 · never reused
Internal UUID01a0ae87-0a49-75bd-b241-4e3f01f3578f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055798
StatusPUBLIC

Content hashes

Canonical textfc235c9b9fe7dcab04ba1626af8d42ee12e9209bd0f89a0d9794bbac3a51e417
Markdown30103e0f3cda7edd1ddfa51a983bff6d17710309b45c685fe96a627d958ffa66
PDF
Publication page4aefe000033d3d7764f1111f1bc29878f314d238322ab2e2a691ecb30fdede03
Manifestb29c288199e1d60b7284f0ff22103a1657382dc87201c7cc1cc9cd285357966a

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
Signature3RMpBhlwnm6m965tNr+ZnqxNEL/eMGIlp0QE/ZX/+4CWtRPYbxoMisjOgeX7RIMKUIfhbp7bHXz8qjK/40NXCA==
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

2026-09-17T10:51:10.389818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055798
observed 4aefe000033d3d7764f1111f1bc29878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:10.371697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055798/manifest.json
observed b29c288199e1d60b7284f0ff22103a16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:10.353841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055798/publication.md
observed 30103e0f3cda7edd1ddfa51a983bff6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:10.333459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055798/publication.txt
observed fc235c9b9fe7dcab04ba1626af8d42ee...
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.