OpenTechnical

OT-2026-000077858

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000077858) never changes.

Identity and time

Publication numberOT-2026-000077858 · never reused
Internal UUID01a0ae95-2ed0-7003-880b-ca4395046c48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077858
StatusPUBLIC

Content hashes

Canonical textfddef2f4dbd75cf90e6ed9a9ed9b20908638c0d11a254d16f509b94c5630ea0a
Markdown1f2ffa0b6adac14bd482d9c85c920a434aa86608952e3182e35c24be70e1a547
PDF
Publication page91a1e25da9f318ed517637a224fad8750c26369c44503619ab0a3889e3caf1d9
Manifest17a72e57d4cf7be05c1ac78e3973e1c6b206ed741e6c7b7623b7f9811a43cca1

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
SignatureID7PPUjPGAq+bzZpKvOAnKsvObw3/O1PcfT33xjLbWyhfuhIEbYoyygwasnlRtyyvIyHsw4qvKjVvkGWz30mCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:07:35.969820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077858
observed 91a1e25da9f318ed517637a224fad875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:35.950776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077858/manifest.json
observed 17a72e57d4cf7be05c1ac78e3973e1c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:35.932651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077858/publication.md
observed 1f2ffa0b6adac14bd482d9c85c920a43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:35.914707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077858/publication.txt
observed fddef2f4dbd75cf90e6ed9a9ed9b2090...
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.