OpenTechnical

OT-2026-000057636

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000057636) never changes.

Identity and time

Publication numberOT-2026-000057636 · never reused
Internal UUID01a0ae88-2694-7a0f-9bf8-1b35a137e07b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057636
StatusPUBLIC

Content hashes

Canonical textced410cf2aba1496a879d4895606d3c9ffbadc57e60489384505f235fa494984
Markdownb6e115edadf7d2fda494b82571d72ab97e913c29e534eda00808ad60b5adcf0f
PDF
Publication paged3fcf9b0f17a06bfdeb0aa534c4b6d1a803b936ed5de93405123de405a09d10b
Manifest016131bc1c039c1aa169a40225f0d2fca255930eb7c4ae08fe5ba2582f08a765

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
SignaturehIKLP3zVOz9Z9JO7LAxi9ZSnlHXigQI3ral6APV+76ytuLH5WJxEgV8XgfXfW53Q9W4dHvwphobjNEgnhdXNDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:11.932552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057636
observed d3fcf9b0f17a06bfdeb0aa534c4b6d1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:11.914184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057636/manifest.json
observed 016131bc1c039c1aa169a40225f0d2fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:11.894815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057636/publication.md
observed b6e115edadf7d2fda494b82571d72ab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:11.877595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057636/publication.txt
observed ced410cf2aba1496a879d4895606d3c9...
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.