OpenTechnical

OT-2026-000058516

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000058516) never changes.

Identity and time

Publication numberOT-2026-000058516 · never reused
Internal UUID01a0ae88-f39b-7cbd-ac10-d381c1da99d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058516
StatusPUBLIC

Content hashes

Canonical textdd8015e0e8c7b6baa40688131de61176bf7ea8d028f3fa29cccc4090d8cc3c7a
Markdown47a8bda018d20571670d78c431e71f988f580eb64a9761ab7e84d715a7ac5faa
PDF
Publication page3f73924da39dee80f6abf387a9f0b57bf428ec45280dfbf8121736129cdd5089
Manifest66d44bd40f099e365699c3826204540084b65a261c3e618422cab1b310856d21

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
SignaturexXUTGeejQ8eCzFMM9o2LAJBIPYEjlFzWuIMtwk8SbIO6/20C5v7pDjTSyQh1SfjI7UaDTdgnevkhApkek8XjCw==
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

2026-09-17T10:46:58.545661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058516
observed 3f73924da39dee80f6abf387a9f0b57b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:58.530410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058516/manifest.json
observed 66d44bd40f099e365699c38262045400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:58.514232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058516/publication.md
observed 47a8bda018d20571670d78c431e71f98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:58.497552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058516/publication.txt
observed dd8015e0e8c7b6baa40688131de61176...
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.