OpenTechnical

OT-2026-000030464

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, sustained 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-2026-000030464) never changes.

Identity and time

Publication numberOT-2026-000030464 · never reused
Internal UUID01a0ae73-e504-70ab-8ae7-e0245f4e987c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030464
StatusPUBLIC

Content hashes

Canonical texteef21214a8c63399383f3ff2d766ea1fdb54a5a1a66f4bcc766879a809cc6441
Markdown6b979e822bc2bd2a9c186e00bdccf3380166f6637ebe9cc21bcb7da3c00cf855
PDF
Publication pagedae855c0ed2c8436143c062b9ed5bdb97f7c8b391d93de161351cadd29b93534
Manifestb828837bc75e960845095c15ae09e70c70169eb2fd68fa981dd8e0acc2bd3b8a

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
SignaturexeIiOJ8yV6m5NCn2VfxU2fy+mBVPx2EDmYZytRBMZKhg/vzSjX5XB2n0ZqxQEvqHEeX3quIrQWXdAzTGibe7Cw==
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

2026-09-17T11:38:18.199723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030464
observed dae855c0ed2c8436143c062b9ed5bdb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:18.096916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030464/manifest.json
observed b828837bc75e960845095c15ae09e70c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:17.979820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030464/publication.md
observed 6b979e822bc2bd2a9c186e00bdccf338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:12.584607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030464/publication.txt
observed eef21214a8c63399383f3ff2d766ea1f...
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.