OpenTechnical

OT-2026-000033513

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, pulsed 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-2026-000033513) never changes.

Identity and time

Publication numberOT-2026-000033513 · never reused
Internal UUID01a0ae75-a38e-779d-9f54-cb91d92fff82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033513
StatusPUBLIC

Content hashes

Canonical textbe903b3fe17709313fb2aebf9bf6d47d4a1431c801e80d9f16b555db6410dc47
Markdown34d2f0793db28d469fc382eaa187bdcb60d1efb2325cd8016ada5bb33caff2f0
PDF
Publication page06143e9eac42d58436af1b31ce536264777308a19b5cdb598440e6473de1cef4
Manifest5ccdf4ae86138316c2a626709a5ed1cb8374c3cc50e753efbe090cf2747d6fec

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
Signature4h/z5pSU5gxYly38udWw83ZGZErx50GF9n8zs0md1HNYaK3mpKaA+OszfhTx8wEfrRLS4TzxBBY3wifodUr+AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:22.029571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033513
observed 06143e9eac42d58436af1b31ce536264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:22.013284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033513/manifest.json
observed 5ccdf4ae86138316c2a626709a5ed1cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:21.995892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033513/publication.md
observed 34d2f0793db28d469fc382eaa187bdcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:21.980205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033513/publication.txt
observed be903b3fe17709313fb2aebf9bf6d47d...
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.