OpenTechnical

OT-2026-000033504

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000033504) never changes.

Identity and time

Publication numberOT-2026-000033504 · never reused
Internal UUID01a0ae75-a38e-7dd0-8551-fb994b406291 · 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-2026-000033504
StatusPUBLIC

Content hashes

Canonical text51f073aab5e97562151c2ede5a7dd8cbe3813291745c38e7a33a7fc0245abaea
Markdown4fd2a4482ac64e56d17a23c8e66baac6a6343bb6f05bf7695b575315a89b9022
PDF
Publication pagea34ccc12e5b41e44be73a21584c67ca48f8516dd11515929614697932da17076
Manifest272000692b71da31bb86d17c96b53c0a169041e2667c2985333cfc5109eb69d1

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
SignatureMcfm0Jj7wRSGfyRF8Bb5qjHt+hDnVEXNR/cwemV2iSUdxytI4OzKVO7yWpOVVpigZeKfBneORZK9l0+36t4/Dg==
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

2026-09-17T11:31:21.353513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033504
observed a34ccc12e5b41e44be73a21584c67ca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:21.335968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033504/manifest.json
observed 272000692b71da31bb86d17c96b53c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:21.319610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033504/publication.md
observed 4fd2a4482ac64e56d17a23c8e66baac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:21.301776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033504/publication.txt
observed 51f073aab5e97562151c2ede5a7dd8cb...
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.