OpenTechnical

OT-2026-000014091

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000014091) never changes.

Identity and time

Publication numberOT-2026-000014091 · never reused
Internal UUID01a0ae6d-8deb-7da6-b4d8-d77a58e476f3 · 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-2026-000014091
StatusPUBLIC

Content hashes

Canonical text07a4c942e579a9eaef872506831eda1bb057d55fba1e14c9b2811cbff97d5a50
Markdown7ed4c1879986b9bb1c17948f9c9bd59ea0fcb011570eea1ccb065158fa110d29
PDF
Publication page030ba942e38ac2fada8b33c7512b5e5d2b8175a9b4a9370641035be7de235a8b
Manifest5bedb53ef4f3f9b2c7e3f2e407197312fd8195a864c449c69c99a8608078cecb

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
SignatureCl4wG6tMc+wKyW2dQuuiM5PdVqxINemBuR7pk06F4aH99tAVg/SjKcF+KTva2tDaYn0qS5vnsxb5Y8x+olUrBg==
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

2026-09-17T12:09:20.720219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014091
observed 030ba942e38ac2fada8b33c7512b5e5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:20.700971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014091/manifest.json
observed 5bedb53ef4f3f9b2c7e3f2e407197312...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:20.681495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014091/publication.md
observed 7ed4c1879986b9bb1c17948f9c9bd59e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:20.661665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014091/publication.txt
observed 07a4c942e579a9eaef872506831eda1b...
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.