OpenTechnical

OT-2026-000048017

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000048017) never changes.

Identity and time

Publication numberOT-2026-000048017 · never reused
Internal UUID01a0ae7f-c423-7d0b-b9ce-8efdd35c9605 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048017
StatusPUBLIC

Content hashes

Canonical text51a965ef3f246445d30364e6b49399924a542694fd1595944668d3bdb42399c1
Markdown5ce9975edd067f7297fc6339af92f7dfc11de6f0d4c12edf946994a6d1777e57
PDF
Publication page973a508b109fadf6ed8b25bcbaebc0e082543ad3a78666fca6391003b06c4993
Manifestef4b0255dfecae91a95adcae5a5b7713a3b3149b43a487c77c791948c84a3c00

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
SignaturePeB9RLtAdMysxG5bwL+O/1US+74lnXLkI3SYBSEQv4I0Elx+heV/tl5n3KhsTjb2t0tROHUqbtX/gwoT3JmsDg==
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

2026-09-17T11:06:00.691886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048017
observed 973a508b109fadf6ed8b25bcbaebc0e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:00.671435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048017/manifest.json
observed ef4b0255dfecae91a95adcae5a5b7713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:00.652587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048017/publication.md
observed 5ce9975edd067f7297fc6339af92f7df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:00.633388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048017/publication.txt
observed 51a965ef3f246445d30364e6b4939992...
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.