OpenTechnical

OT-2026-000013917

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000013917) never changes.

Identity and time

Publication numberOT-2026-000013917 · never reused
Internal UUID01a0ae6d-8dea-7458-b9b3-698ecc2dcc42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013917
StatusPUBLIC

Content hashes

Canonical textdb7db40bade751e14150d5a7fbedb90f6d340392b1e5cacd2eb303f49a5c242d
Markdown55b705742576481c5b702397ec87a6d9ca3e66ee786a7f69aa0b92f85cec9fa6
PDF
Publication page2282e35120a22d22f783527e463ff9cd9ebb8d9020a6d9f362322c7cea2ed2cf
Manifestcec031be434d2336860dbb2e8b05e039f000fa64289045dd5722039f951e2a16

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
SignatureaVSQpc6XkETEHjyf6p+WmAg49L8uWVsEBIsCBLCW2IciwjbjW2syXPR9rVvkvWru528Um8oak0jNB9SMy39XAg==
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

2026-09-17T12:09:02.957597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013917
observed 2282e35120a22d22f783527e463ff9cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:02.939166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013917/manifest.json
observed cec031be434d2336860dbb2e8b05e039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:02.919773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013917/publication.md
observed 55b705742576481c5b702397ec87a6d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:02.900237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013917/publication.txt
observed db7db40bade751e14150d5a7fbedb90f...
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.