OpenTechnical

OT-2026-000055482

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump 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-2026-000055482) never changes.

Identity and time

Publication numberOT-2026-000055482 · never reused
Internal UUID01a0ae86-a102-70ba-98d7-0c082a4fce4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055482
StatusPUBLIC

Content hashes

Canonical text754253eab2349dbff01f1e0c29989ecdd1f11abca0c56cbf1265ad9088170f49
Markdown336d5a23b4757dea1e542a6c84528b5075498547c6bb6ce26de9bec087f60f7c
PDF
Publication page122f934a3d92954a87094d93e6914198c239cd0a913700a2778635edf01cd4bf
Manifest1bbc2e8f78a62ecf31901141a870a35489c196f5e07fbb73c1171b4a988b2b3d

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
Signature5K/2p0GIXjlgAJixT6n/aloNqfOfJ1t7+5rKQkqzk0RW7qiK9SDMtz2XCXTZuhvLry4MaJsQAqB27XIv1QKvDg==
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

2026-09-17T10:52:08.862020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055482
observed 122f934a3d92954a87094d93e6914198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:08.845276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055482/manifest.json
observed 1bbc2e8f78a62ecf31901141a870a354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:08.827717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055482/publication.md
observed 336d5a23b4757dea1e542a6c84528b50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:08.809287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055482/publication.txt
observed 754253eab2349dbff01f1e0c29989ecd...
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.