OpenTechnical

OT-2026-000035781

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000035781) never changes.

Identity and time

Publication numberOT-2026-000035781 · never reused
Internal UUID01a0ae76-b4c8-7983-9beb-64abf0889693 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035781
StatusPUBLIC

Content hashes

Canonical text2b656e6d8064cfc9a4c4a6074b64ba91d2d4dc6014168b381367bd8fc2ed3827
Markdown2bed50ef55ed8dc4327df97e4ee8619ba80c648ebd4e0f8a92e754dc952e4a73
PDF
Publication page2ac2020ac7264294439eab20f3644ab24cdad5684e651eab812ba6978587fa9f
Manifestf85325a2b2b26cd82478651217ee82132ed9901726ea4f1106bf9dac1c3abdfa

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
SignatureqqyBON7AQ6T9fAsWn8UXtlhccfFXP4DnajfpIy92lipzlG2edgjeaZHJ+B3f6AT/4NdAKb8dgAHw4KxBZmrOBw==
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

2026-09-17T11:27:29.056011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035781
observed 2ac2020ac7264294439eab20f3644ab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:29.039188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035781/manifest.json
observed f85325a2b2b26cd82478651217ee8213...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:29.022175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035781/publication.md
observed 2bed50ef55ed8dc4327df97e4ee8619b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:29.005100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035781/publication.txt
observed 2b656e6d8064cfc9a4c4a6074b64ba91...
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.