OpenTechnical

OT-2026-000035723

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000035723) never changes.

Identity and time

Publication numberOT-2026-000035723 · never reused
Internal UUID01a0ae76-b4c8-7513-aadb-79e211e2bbff · 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-2026-000035723
StatusPUBLIC

Content hashes

Canonical text8a23ea7c4c383c0fce0952041aa09c9b5d2924948e51039a98080ecf13e351cb
Markdownc2a3d753cc1278403b4df93ae47e5babc0a000635452d36f186b8aee196f819c
PDF
Publication page444dbc061e1f5a8be2701d038067b094f1d432ca23b1dcf0210be4048de25716
Manifest90b60be0f1bb814c21908809c9b7337294b9732c7ace83a6213b0fd7454767d1

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
Signature/oTczXChfJFG5j95g5FWFhK7ZQqinkft1lPX6IrJZxv4TqztGvBMoAIRrhnsO9gVHyK3Z/rv5PNePPGXtMLWAg==
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

2026-09-17T11:27:18.658232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035723
observed 444dbc061e1f5a8be2701d038067b094...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:18.633836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035723/manifest.json
observed 90b60be0f1bb814c21908809c9b73372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:18.614460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035723/publication.md
observed c2a3d753cc1278403b4df93ae47e5bab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:18.596479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035723/publication.txt
observed 8a23ea7c4c383c0fce0952041aa09c9b...
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.