OpenTechnical

OT-2026-000048958

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000048958) never changes.

Identity and time

Publication numberOT-2026-000048958 · never reused
Internal UUID01a0ae81-134c-7ae5-98c3-9f5b3d69d4ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048958
StatusPUBLIC

Content hashes

Canonical text0c98c6701f6568b0965821bc30a2ad92e95fbe5479185311f9e9e0a7ba0a3291
Markdown50b3943f16be690f0331ce7e34babdd650a5e3b9d4b79c79de0493c6b6025cbe
PDF
Publication page73c28b2d0b5698acd9477e0811151d52c2bbb71741997157a4b001a6bb6f2e39
Manifest137741dca997eb5240c0217c3bb01f918fdf2f7c88900a125992a0bd2960db3d

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
SignatureG6x9K9wiphITPDZQA1M5V0WxRPYtgirzrrw/Rz0XWGJV5BKkW75lVfH67W9nvaQCT42jJ7qVbji9HjRBycEZAQ==
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

2026-09-17T11:03:09.104611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048958
observed 73c28b2d0b5698acd9477e0811151d52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:09.084771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048958/manifest.json
observed 137741dca997eb5240c0217c3bb01f91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:09.062621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048958/publication.md
observed 50b3943f16be690f0331ce7e34babdd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:09.043145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048958/publication.txt
observed 0c98c6701f6568b0965821bc30a2ad92...
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.