OpenTechnical

OT-2026-000018805

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold 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-2026-000018805) never changes.

Identity and time

Publication numberOT-2026-000018805 · never reused
Internal UUID01a0ae6e-d521-7152-98bf-45d545e02860 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018805
StatusPUBLIC

Content hashes

Canonical text05bf039fa6f128fe07f439b459fa1e67247736ff475eeaffcf137e58f640f39d
Markdown1d810e9154c80dbd4c504f822f02ecbb5d570998d3db35941ac025322d57f843
PDF
Publication page78fa45e225bb16dbc93ec3ba1f9581ba5b62453126ab78777a6e691ed5da02b3
Manifest27623f793e0f92124dcce1c9ea1b1b9b70ec74e8fdc019c36375ad301b500e2d

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
SignatureYP/VW0RNgnO8JO8p305f21CtkRG3T9am63RdwmQ8metyTXMm6jmG1XJQmmm6XziPL1Y0lrp+L9pOGHB/Zm6xBw==
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

2026-09-17T11:59:26.019780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018805
observed 78fa45e225bb16dbc93ec3ba1f9581ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:26.001979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018805/manifest.json
observed 27623f793e0f92124dcce1c9ea1b1b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:25.984754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018805/publication.md
observed 1d810e9154c80dbd4c504f822f02ecbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:25.968820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018805/publication.txt
observed 05bf039fa6f128fe07f439b459fa1e67...
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.