OpenTechnical

OT-2026-000017514

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000017514) never changes.

Identity and time

Publication numberOT-2026-000017514 · never reused
Internal UUID01a0ae6e-76ca-77ff-8a07-44371bcafcc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017514
StatusPUBLIC

Content hashes

Canonical text1de82469944b90d9faf5757c0b34b879337d995e3455ca5cefa56f9e57ebfd0c
Markdown3d5c83ee1c191a54c338760f05f44ae8324c608a12d96ed2c22a09db69bc4424
PDF
Publication pagef4f91ef07e57c826a05ee61f2f9bcaaabc242413fbe1ae76ecdf2d188ec35777
Manifest53f58f2fc4fb0eb2bcc767c7da8a7703b798a77bfb2d97c6db60e5e1a9559d73

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
Signaturedoij0NS8+suxdaNfFf+N2VkEjkgojmk3+nMfWxDLE9Tn+1AoNZhAWGNB5l2FteXIEJEjGpz8UIwDA0ZTV6uPAQ==
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

2026-09-17T12:02:40.264760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017514
observed f4f91ef07e57c826a05ee61f2f9bcaaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.247330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017514/manifest.json
observed 53f58f2fc4fb0eb2bcc767c7da8a7703...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.228791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017514/publication.md
observed 3d5c83ee1c191a54c338760f05f44ae8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:40.213397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017514/publication.txt
observed 1de82469944b90d9faf5757c0b34b879...
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.