OpenTechnical

OT-2026-000015681

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000015681) never changes.

Identity and time

Publication numberOT-2026-000015681 · never reused
Internal UUID01a0ae6e-0c4b-733b-bcb4-ca8a915c4604 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015681
StatusPUBLIC

Content hashes

Canonical text700c8a39cac7353f2a9166bb2d27ef1789a63fdf23748c2c04e250b89fbb5e0d
Markdown3d949300d30ea1359fdad7cbfe353dfc65e58921a861208cdd6e3978c94182d6
PDF
Publication page770ce05f1c4de2198a09e80e7fe8d82984bb50479b7527995c826cf16c2ed747
Manifest2c66bac4cf8b633d9c3b37c08d4c8b1a7640648db5bd965368407e8af86377f7

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
SignatureWuh8FShbgCghhgD1sTw202XS49Z7aXJVGKBoQSbesFJvaaGqC/UH7i8IDIEEVk0zHmoDpG01gS26eUH58Z1zBA==
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

2026-09-17T12:04:57.092042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015681
observed 770ce05f1c4de2198a09e80e7fe8d829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:57.074368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015681/manifest.json
observed 2c66bac4cf8b633d9c3b37c08d4c8b1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:57.057586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015681/publication.md
observed 3d949300d30ea1359fdad7cbfe353dfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:57.040567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015681/publication.txt
observed 700c8a39cac7353f2a9166bb2d27ef17...
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.