OpenTechnical

OT-2026-000043853

Publication integrity record

Single cup vacuum gripper, two stage ejector, 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-2026-000043853) never changes.

Identity and time

Publication numberOT-2026-000043853 · never reused
Internal UUID01a0ae7b-d677-77c3-b3b3-c414690f618a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043853
StatusPUBLIC

Content hashes

Canonical textb64d106d831fcd367a8b35cd7d7f6b5758e16831e12d81268931062fe518ed84
Markdown257eef9c24ba715d3b62490be8d3c171d14628ad98b04b553c1fc1552bf0971c
PDF
Publication pagec8a9e479046c00ebc72052b6acc5aec4043d4ed3ece56ecbdb09e5b4c4287ac5
Manifest7b95e18fe81aef097d024a4435634e6a57ae5ccb741a13b7f767625166a8a890

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
SignatureMqC2nNUBSMXvC2lwDx7bqS2JceUj+/LPzRv9jy2Mf6R5ObXE0N0Hj7xFM4Tfpm6PGMQGoIiEGxozfHR+4u8DDQ==
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

2026-09-17T11:12:10.293606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043853
observed c8a9e479046c00ebc72052b6acc5aec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.274888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043853/manifest.json
observed 7b95e18fe81aef097d024a4435634e6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.257264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043853/publication.md
observed 257eef9c24ba715d3b62490be8d3c171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.237188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043853/publication.txt
observed b64d106d831fcd367a8b35cd7d7f6b57...
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.