OpenTechnical

OT-2026-000067390

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000067390) never changes.

Identity and time

Publication numberOT-2026-000067390 · never reused
Internal UUID01a0ae8f-6bd8-71ab-bf95-e26f587f5464 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067390
StatusPUBLIC

Content hashes

Canonical texted3fa072606fe8d1bfd926ae257f00e27aaa747396ab464c58acfb1fcd1bc419
Markdown7baae8e2451b5d7c7bc066c81d9803812405e0c0d78e37cfd88196865ddcd8e8
PDF
Publication paged6b53e0dfbe9818943c69e108084bf910d17b19ebf4ffb41a8e5083c36a52e84
Manifest9525f71edd4fb6d71ba9af91c5085115bd5d9ac3c763b48ddeb6f36e19b9d858

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
SignatureF0oJwAx2auS3jAxWPFvf6n4swhx4KBlgv340hg69Rxj4tHblNGZLOqyUr0+1L2xQGL7E5dqP5tsBMZQsyzoIAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:34.906251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067390
observed d6b53e0dfbe9818943c69e108084bf91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:34.888057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067390/manifest.json
observed 9525f71edd4fb6d71ba9af91c5085115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:34.871386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067390/publication.md
observed 7baae8e2451b5d7c7bc066c81d980381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:34.855529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067390/publication.txt
observed ed3fa072606fe8d1bfd926ae257f00e2...
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.