OpenTechnical

OT-2026-000058564

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump 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-2026-000058564) never changes.

Identity and time

Publication numberOT-2026-000058564 · never reused
Internal UUID01a0ae88-f39c-755f-881f-129e1e1c9842 · 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-2026-000058564
StatusPUBLIC

Content hashes

Canonical textddf8a46a93a1b1705f63b3c7a99b9e35408ce3a465f8e7d7aa26aa1f800872ce
Markdown1529706aa5af37a58fb3bf56464ecbf7bfda90a33755c8b05ea6c7409cff9d00
PDF
Publication page73905cc2e362039a27fcf21e3808443a6bb6d66818529a854ec49665c9e9df54
Manifestd6a6875b207710de4e4e0ca4c8a8fbdbedc10128410cb3d43ffa5240785c6a14

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
SignatureLSSBAOs5zx13AgDkGWS08+SiH1y4y7q5jd/WcHkRrgtZAoyz/aWkcH5+BljulHm72pPVyfnxylImhswwp7GoDQ==
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

2026-09-17T10:47:02.881555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058564
observed 73905cc2e362039a27fcf21e3808443a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:02.864379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058564/manifest.json
observed d6a6875b207710de4e4e0ca4c8a8fbdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:02.847125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058564/publication.md
observed 1529706aa5af37a58fb3bf56464ecbf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:02.828421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058564/publication.txt
observed ddf8a46a93a1b1705f63b3c7a99b9e35...
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.