OpenTechnical

OT-2026-000059276

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000059276) never changes.

Identity and time

Publication numberOT-2026-000059276 · never reused
Internal UUID01a0ae89-8613-7818-92c7-2aabef2d2ecc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059276
StatusPUBLIC

Content hashes

Canonical text1aefc58524309b608589f6aad71a776cd202d699f0c8292d69d22f1fab8c2db5
Markdown9fcc108d91fc647017906866fb65519ca1bea5380cdf4f4bf63c11ee6285829d
PDF
Publication page87c756821c4741929901ec573d45b376aaf4954a93502ce40f8c341af7554458
Manifestf81a5fd0ed933b2cf31144e7ebddbfbe7e4796ba168b85b64443cfb3c5a07cbb

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
SignatureXld2QwQBfJwB9YbOJHSwYAIJSe41lWr//fws7pJMt+wr8c7KJW4YgFkxPqp0AmrFuFMy6Yrpnk/s5EeLOFUICA==
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

2026-09-17T10:45:49.814577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059276
observed 87c756821c4741929901ec573d45b376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:49.796456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059276/manifest.json
observed f81a5fd0ed933b2cf31144e7ebddbfbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:49.777381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059276/publication.md
observed 9fcc108d91fc647017906866fb65519c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:49.757133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059276/publication.txt
observed 1aefc58524309b608589f6aad71a776c...
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.