OpenTechnical

OT-2026-000015597

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000015597) never changes.

Identity and time

Publication numberOT-2026-000015597 · never reused
Internal UUID01a0ae6d-ef4c-7122-8a9d-803157dc2ad7 · 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-2026-000015597
StatusPUBLIC

Content hashes

Canonical text666ea24a6e18a21819617d6ead613e0a03613472db3ae24d563ae1514efad347
Markdown1b629b5665013b46d26a0f941500e46afe76fa8139b714710d63b7842664247b
PDF
Publication pageb4b7db8127df6bff15e8729f053602c3160be35b85219be5c281f8f4a15356b9
Manifest9a91c03c6ba2dd6c629230ff75a57b01184ee47d844a1f116f57d042444628e7

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
SignaturekUyAAhAjGat1RgAchv48nuDUL0xWaDLkaEAB8w9jZ7SKJnvpGKJ586e00a8iRHJ0g5S0xRYWyEz82hrTALhXDA==
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

2026-09-17T12:06:23.916035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015597
observed b4b7db8127df6bff15e8729f053602c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:23.895462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015597/manifest.json
observed 9a91c03c6ba2dd6c629230ff75a57b01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:23.874994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015597/publication.md
observed 1b629b5665013b46d26a0f941500e46a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:23.855087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015597/publication.txt
observed 666ea24a6e18a21819617d6ead613e0a...
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.