OpenTechnical

OT-2026-000031292

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000031292) never changes.

Identity and time

Publication numberOT-2026-000031292 · never reused
Internal UUID01a0ae74-87ac-7ee5-ae5a-10aba958fca8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031292
StatusPUBLIC

Content hashes

Canonical textb87874201f7f56dd24fdd6d83871a7bf33de274c6ae0576631f3da6d091bb56e
Markdown6487053ffbe7ce1771c25f7a6b240c5c9d0f8439e8e466f1e2672b10d8943260
PDF
Publication pagecbb9f9a90b0f030bc99c19a4acf387b34cf94d8118bc598001634641c7caecac
Manifest5f2a81a2bc3199cc28f7823c3462833697330d7a6e1419e08e79f3c1826e2ff6

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
Signature5gFOnBiCRefzS8R4Y2FqvjvUT6jVAyDQjKFXiLs8hXidPS8g6xkYi3xBb/KICmxEyOEYWYNUT9d95ofeMScICA==
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

2026-09-17T11:35:52.642819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031292
observed cbb9f9a90b0f030bc99c19a4acf387b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:52.621149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031292/manifest.json
observed 5f2a81a2bc3199cc28f7823c34628336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:52.603012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031292/publication.md
observed 6487053ffbe7ce1771c25f7a6b240c5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:52.585129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031292/publication.txt
observed b87874201f7f56dd24fdd6d83871a7bf...
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.