OpenTechnical

OT-2026-000037990

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000037990) never changes.

Identity and time

Publication numberOT-2026-000037990 · never reused
Internal UUID01a0ae77-f88a-7d38-8d90-ff592f19da0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037990
StatusPUBLIC

Content hashes

Canonical text6b61b4d938b85a707683ec5cec66301f05de198d4846260ada535f8230bff2eb
Markdown6eaccff8352a0092a99f2c7a1e0811afe29c77c763d515020460f9dac2efbf55
PDF
Publication page3aa351e8b3fff5cb284fdf74faeaea7c9c1838734f1f4b8283d79fe9414d4075
Manifest4bf81ebdcba4915adbb29691ece578f2c2cc23de32bdf5cf74c67d69eeb7b526

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
SignatureVpHyfL/OcTgUzPP+mk/UOMbOQqvzlhoGtO7PgeZ0xXTjR/YAEmEGqRIK2y+rtH5Yu2LWsyNyK3iV5mTotGixAg==
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

2026-09-17T11:23:17.208727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037990
observed 3aa351e8b3fff5cb284fdf74faeaea7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:17.191244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037990/manifest.json
observed 4bf81ebdcba4915adbb29691ece578f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:17.173116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037990/publication.md
observed 6eaccff8352a0092a99f2c7a1e0811af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:17.155847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037990/publication.txt
observed 6b61b4d938b85a707683ec5cec66301f...
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.