OpenTechnical

OT-2026-000021700

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000021700) never changes.

Identity and time

Publication numberOT-2026-000021700 · never reused
Internal UUID01a0ae6f-bb59-795f-9adf-ab9cd7c3bbc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021700
StatusPUBLIC

Content hashes

Canonical textad081e1ca17f5d47a9108b7cb0db31c9d9bd394eba7379c5d840a79364c4c978
Markdown3f8bd279ace2b9753c68a8bf4338848359a1ecc91ad6bd4082a091e0bda77582
PDF
Publication page60cb6195aa321b436ddc7bf8052f9390e194a9d0c668a41f26eb4dcbb51e4f0e
Manifest5f03e5b87c26a85b7816edb286d9810dcd794c6e7dc98e5c88bd089a74c8c1de

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
SignatureA2KZc2O7bWk5aW0cUdrDLuQi/mUPKVLV++Je2qk3jxnIIeg5JlnbPTQExoG+pS7ef5rhTxcIULRzBF4mfIp9CA==
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

2026-09-17T11:54:14.297493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021700
observed 60cb6195aa321b436ddc7bf8052f9390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:14.280106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021700/manifest.json
observed 5f03e5b87c26a85b7816edb286d9810d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:14.262754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021700/publication.md
observed 3f8bd279ace2b9753c68a8bf43388483...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:14.243900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021700/publication.txt
observed ad081e1ca17f5d47a9108b7cb0db31c9...
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.