OpenTechnical

OT-2026-000007731

Publication integrity record

Foam pad vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000007731) never changes.

Identity and time

Publication numberOT-2026-000007731 · never reused
Internal UUID01a0ae62-843f-7271-ba12-7400aa865d1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007731
StatusPUBLIC

Content hashes

Canonical text5a4a6edb5656c1befc4c67ceb13a6e66780aac37ac872865f20081607298b42b
Markdownae24a27195dc193bef35236e6359eaca20fdb8eee780aab8ac1f71ad4347df9d
PDF
Publication pagee35f1aedb2a0929fbf99c9b08fd0cc989d3aea1b831c44e6ca06da21c6607d11
Manifest577c74f40b78c9498c195bf9f4d8b6773ba23ebd7327e65db499dce76eab1d82

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
Signature5mVncb2EErn5/266Cxawna588tPlabX11HsRuSY3XgB3s3/f5gjx7wA4NsuFC4azvVn+V/y+18Dabmxq5V5oAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:07.328308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007731
observed e35f1aedb2a0929fbf99c9b08fd0cc98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:07.311260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007731/manifest.json
observed 577c74f40b78c9498c195bf9f4d8b677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:07.295596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007731/publication.md
observed ae24a27195dc193bef35236e6359eaca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:07.279741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007731/publication.txt
observed 5a4a6edb5656c1befc4c67ceb13a6e66...
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.