OpenTechnical

OT-2026-000005771

Publication integrity record

Porous face vacuum gripper, two outlet manifold, ejector fed, pressure verified

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-2026-000005771) never changes.

Identity and time

Publication numberOT-2026-000005771 · never reused
Internal UUID01a0a944-4e7a-79cb-9ca0-7fee7d360dc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:10:21.181069Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005771
StatusPUBLIC

Content hashes

Canonical textbd1d287790a9528cfbdc8b1975b0084361e68939695af7683dad64748de2554a
Markdown896a4a1301482f6f6eb3be0bce6f88dec76706d2afea6d95a733c6ffc59ce4bc
PDF
Publication page74d59ded625f86cac3bb064cf4f712b1507f8352217d49b9ae38a3e464e832d2
Manifeste9e407c1984072b89f9ec7102d286715b0b9cfd8cc38311f8644c544bf3fbe0a

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
Signaturew8+yQ0M5uUfgtqWWTPph4FEU1OwRU8OfAoj1EVDm6dwV7cKotONOCT9SKU5CNCJDc08Qw7ZueuRjo1/JH/tzBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:34.726404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005771
observed 74d59ded625f86cac3bb064cf4f712b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:34.713402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005771/manifest.json
observed e9e407c1984072b89f9ec7102d286715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:34.699896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005771/publication.md
observed 896a4a1301482f6f6eb3be0bce6f88de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:34.686956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005771/publication.txt
observed bd1d287790a9528cfbdc8b1975b00843...
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.