OpenTechnical

OT-2026-000084479

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000084479) never changes.

Identity and time

Publication numberOT-2026-000084479 · never reused
Internal UUID01a0ae98-5b63-7658-9864-b1200bd64757 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084479
StatusPUBLIC

Content hashes

Canonical text4ce8110144ebccd69a2fc00093d191eccd2d0b2ebeda36bfb1d5e67c389a4094
Markdown2c61e051d54059e806c05450609d0256c31510ef76cd5a17466aa24c640e5e32
PDF
Publication page0060955760ebca05dbc595c14380451f22f59c74a18d3cf388e604f4faca61a7
Manifeste22f14a37673e2fe3511af127dde2faae14c513a64d53e72fd990d3048ba6c33

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
SignaturekDfhQimKJ7TcyjlUovN38B+5XpQ6+qqvZv576DUrk9a/X/YwAZRGG8k4nQQ91135R1XZ5gL7yMdRohU2amPhBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:26.782437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084479
observed 0060955760ebca05dbc595c14380451f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.766235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084479/manifest.json
observed e22f14a37673e2fe3511af127dde2faa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.748705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084479/publication.md
observed 2c61e051d54059e806c05450609d0256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.731178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084479/publication.txt
observed 4ce8110144ebccd69a2fc00093d191ec...
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.