OpenTechnical

OT-2026-000007674

Publication integrity record

Single cup vacuum gripper, pump fed, 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-2026-000007674) never changes.

Identity and time

Publication numberOT-2026-000007674 · never reused
Internal UUID01a0ae62-76bd-762b-bf5d-82a8c3b6f7dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007674
StatusPUBLIC

Content hashes

Canonical text973254c67430f29dbe4912c2b5105067f94a15f16762d486cd0340c04fe8b419
Markdown8dc306a3aad8887d74a8d3e6f4b3d619309a6f40d4313a1bd9334b0808dc09e7
PDF
Publication pageb080e0b906aa751dfa79f0706653910fcdc8a381a40e703503e01648e899086a
Manifestb12ccf34f3219082a0eb15f8a536b4a817f325e0a6e37946c5353d11c13668e5

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
SignaturegbBORe7tQ5ouh9rwRgnOhf/U63cSmRZJuvigV+NryNo4p4JnZay/VyjTyetO5ei+KWgPUJibZC5HsIv1YJYzDg==
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

2026-09-17T08:10:17.974917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007674
observed b080e0b906aa751dfa79f0706653910f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.958702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007674/manifest.json
observed b12ccf34f3219082a0eb15f8a536b4a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.940715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007674/publication.md
observed 8dc306a3aad8887d74a8d3e6f4b3d619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.922039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007674/publication.txt
observed 973254c67430f29dbe4912c2b5105067...
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.