OpenTechnical

OT-2026-000033866

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000033866) never changes.

Identity and time

Publication numberOT-2026-000033866 · never reused
Internal UUID01a0ae75-a391-7928-b65a-00f5ffef87bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033866
StatusPUBLIC

Content hashes

Canonical text32ccc112215b6ccd45750c861ad191b1aa888b87771a16c2c5907ed3e5f64865
Markdown320de048610eeed9a25445a9e6cd070c8fe55e39628d3e4038b4c0440e04fb6c
PDF
Publication page6b941312e847da650aa97e1dd8ad2e5a142656da0b3f23ec4d561e2242155a8f
Manifest0fd5a642537b8a596490dd08fb790394b849c70f6c07a1bb25f1f92b97ec15b2

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
Signature91oMQYR7wP2GSZJC59j/BKXU+Sizy1nM/gILqzyvvNZSW5LiMDAcpclHMvdL5J0J3cK1YGG9beTW5ieE4HbnCA==
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

2026-09-17T11:31:55.834929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033866
observed 6b941312e847da650aa97e1dd8ad2e5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:55.816121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033866/manifest.json
observed 0fd5a642537b8a596490dd08fb790394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:55.796331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033866/publication.md
observed 320de048610eeed9a25445a9e6cd070c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:55.771101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033866/publication.txt
observed 32ccc112215b6ccd45750c861ad191b1...
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.