OpenTechnical

OT-2026-000038339

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000038339) never changes.

Identity and time

Publication numberOT-2026-000038339 · never reused
Internal UUID01a0ae78-2d52-7775-8d3b-f9cf24c061c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038339
StatusPUBLIC

Content hashes

Canonical text573909a83407ab52f44bef5e201169be429be4917f957980e061bae7ec218411
Markdownfe28016615b02c8e9f54e6a94ac53d37c5632a5a27ec8358044e54247e55ff90
PDF
Publication pagef9e4bfe2c6499a6ab38063c451e5ad98847166c96b806197a8f7822990e0828c
Manifesta9b9ebaf6574fb7acb14160e27947d55516582b88f16665f6a7157c87a71a577

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
SignatureESnxpnFiGPlEbRjSnyWZ5lSBmbsi6AGYdG3sB4ajYy9EjpeLYW8J+RQaL8QXWwbMxWo4+p8R5P0iLLdNIWIBAw==
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

2026-09-17T11:22:31.384574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038339
observed f9e4bfe2c6499a6ab38063c451e5ad98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:31.367029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038339/manifest.json
observed a9b9ebaf6574fb7acb14160e27947d55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:31.348786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038339/publication.md
observed fe28016615b02c8e9f54e6a94ac53d37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:31.328379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038339/publication.txt
observed 573909a83407ab52f44bef5e201169be...
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.