OpenTechnical

OT-2026-000016452

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off before 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-2026-000016452) never changes.

Identity and time

Publication numberOT-2026-000016452 · never reused
Internal UUID01a0ae6e-2d13-729f-b3a1-0ca44b0b96bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016452
StatusPUBLIC

Content hashes

Canonical text4f4056c26536e45be13031bec18100bc8e258a2ee09cca7de63dc8b6908eca28
Markdownd8af15b25284ba77aef7c3339cf9940b56d6bc63c1a67c122bb396fdc5572253
PDF
Publication pagef7e2574a6ab28056e90f49083e0cf7c93622867f0c36dae2003d9f77c5396658
Manifesta9e5858704f840c703ff0103d4091f5a6afec364be74b566cfb47e00076db370

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
Signaturej4MDrOo3R0Cy5DyzhfqcapnlDb37VpqzZnAs6MUAe5CQCUdogLnSAr+vXnXTpV5qxAB+qLS5AVqRGY0+k6ScDw==
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

2026-09-17T12:04:38.689008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016452
observed f7e2574a6ab28056e90f49083e0cf7c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:38.670453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016452/manifest.json
observed a9e5858704f840c703ff0103d4091f5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:38.648390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016452/publication.md
observed d8af15b25284ba77aef7c3339cf9940b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:38.625694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016452/publication.txt
observed 4f4056c26536e45be13031bec18100bc...
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.