OpenTechnical

OT-2026-000015460

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed 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-2026-000015460) never changes.

Identity and time

Publication numberOT-2026-000015460 · never reused
Internal UUID01a0ae6d-ef4a-726b-aeb9-dd6d7d57b5b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015460
StatusPUBLIC

Content hashes

Canonical textdd55d7c77dcbe1e3c044d33026af90c2e9eebcab98285fd4da3c4ff167298387
Markdownf052e3c7504a8f02adaaeb6f20623d16a27136ebcfad5a68f09a25a1038ebd7e
PDF
Publication page670f7c4aed22e5759b2636079be74039271879452545d5a08bac33972f4f23c3
Manifestdbda2c786cb68eb233c01af5e9de4120287122dd571e63ec249a4acba7ac7a27

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
Signatureu67yWFYpWNOiPiaekZI4q9Del+v/gy64fbHFbYHc7Gp8UFUv8ri4zfGDOOszOhy6K/qz8YPMJoXwnnuoXRlRDg==
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

2026-09-17T12:06:12.690860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015460
observed 670f7c4aed22e5759b2636079be74039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.672213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015460/manifest.json
observed dbda2c786cb68eb233c01af5e9de4120...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.649842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015460/publication.md
observed f052e3c7504a8f02adaaeb6f20623d16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.629944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015460/publication.txt
observed dd55d7c77dcbe1e3c044d33026af90c2...
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.