OpenTechnical

OT-2026-000031630

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, pulsed blow-off after set-down

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-2026-000031630) never changes.

Identity and time

Publication numberOT-2026-000031630 · never reused
Internal UUID01a0ae74-bacf-7242-9ff7-51eaa01111d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031630
StatusPUBLIC

Content hashes

Canonical text532b0882a1784774d8a7cccce749ceb317b64410309022763177e6cb9d26e3cc
Markdown4b7fca6fe2bce02f0d8cb00a1039fe93ae42c3f8fb6bf8bc80118aa35311915c
PDF
Publication page645b11837d817a8f0b55595ac7b4c9bfb007e286644291fd2f1eea69a6088154
Manifest806feb35b46be9aaee8a88b659931bc4cc284dde2f42b075f1adfb6d25dbfb5e

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
Signature7DHQ9upI/RiM9ZyouBvsTUE4eh2J/awrQQelI6JW1nHYuAlmxlCdvm+aSAMvCjpEz+4oel7Udj0x0TZudJbTBg==
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

2026-09-17T11:34:40.867070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031630
observed 645b11837d817a8f0b55595ac7b4c9bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:40.847162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031630/manifest.json
observed 806feb35b46be9aaee8a88b659931bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:40.828225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031630/publication.md
observed 4b7fca6fe2bce02f0d8cb00a1039fe93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:40.808603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031630/publication.txt
observed 532b0882a1784774d8a7cccce749ceb3...
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.