OpenTechnical

OT-2026-000020030

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three 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-2026-000020030) never changes.

Identity and time

Publication numberOT-2026-000020030 · never reused
Internal UUID01a0ae6f-1fb7-7bd4-b566-45a6eb34cd99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020030
StatusPUBLIC

Content hashes

Canonical text56022866ce9bb8569406fa5409fe6624259684b4541b8f418b695304b8b06db0
Markdown0a661def6c3274f2740bd3c3fc38fabc6610395752d65fd74663910563b29ae8
PDF
Publication page84a126609e6f8f1200fa78b0ae6c796d5cdc6040c5c512c8ba049f1e1152f535
Manifest16dced62260cc61e9b4b9be798652194659b681f02c5531b3e042a4ee30dabd3

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
SignatureNl6kQdVOV57wkiJCHafoMieqRuu2tbz2UDabbBrEZqyiAUJ5FapR19nQ/pcyT9+mFXf6Y77i5U6QDRRHQg0JCw==
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

2026-09-17T11:58:16.733720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020030
observed 84a126609e6f8f1200fa78b0ae6c796d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:16.716985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020030/manifest.json
observed 16dced62260cc61e9b4b9be798652194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:16.697930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020030/publication.md
observed 0a661def6c3274f2740bd3c3fc38fabc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:16.679977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020030/publication.txt
observed 56022866ce9bb8569406fa5409fe6624...
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.