OpenTechnical

OT-2026-000010143

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, vented 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-2026-000010143) never changes.

Identity and time

Publication numberOT-2026-000010143 · never reused
Internal UUID01a0ae6b-cb7a-7058-a98c-c51fa3a7ba79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010143
StatusPUBLIC

Content hashes

Canonical text33235b57a101d6b09a240e54a6b89be31e6bedd9727b4f98cca8e60c3d9294da
Markdowne70ef40dad02b552e7c6a0adbde293000cf810b803e842f868ae0b959a1c708c
PDF
Publication pagef75bfa4971025a64df09e5a46a4f2a80eeea82bc8df5b8394e247be46b67c178
Manifest93ccf23d8f126b4f258cc6861e4b855ced318780b1c8a47919ed3a2f558def30

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
Signature+lGD0Sq50HGqs0g9VCFsTfaWh1f3exPInJbpICGDSJspYg/mKsY47XHGHmvgOzDIjHdozBmY0V6LJXIbMvQzCQ==
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

2026-09-17T12:16:14.701613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010143
observed f75bfa4971025a64df09e5a46a4f2a80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:14.683369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010143/manifest.json
observed 93ccf23d8f126b4f258cc6861e4b855c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:14.664881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010143/publication.md
observed e70ef40dad02b552e7c6a0adbde29300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:14.646105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010143/publication.txt
observed 33235b57a101d6b09a240e54a6b89be3...
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.