OpenTechnical

OT-2026-000047938

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047938) never changes.

Identity and time

Publication numberOT-2026-000047938 · never reused
Internal UUID01a0ae7f-c422-7116-a921-e8e4a1779ad4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047938
StatusPUBLIC

Content hashes

Canonical texte221d90cf639ce92bdd358f1a7ad47f317fbe912f396df24b70620b3d43f9132
Markdownfee080a08dbe7e6a2143e59a5e6764fbe2bdcb553c65505d8502ee749cb781e5
PDF
Publication pagefa5bd09cab1f0275d8c0f207c862bfa6d4e78dc55e341029fd6c847900a4cd41
Manifest90ec5e18687870cef0cbced51a12a00c6a01d28dfdd1452cd34b947d20d46776

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
SignaturehTkwv2YP2ZmqpwoSAj+mrW89O/0TTFREtatPFvNRRv/CJgs4bwfoj3L9BSdN8h/GaAuH8IlnsMpm797oLM5wCA==
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

2026-09-17T11:05:54.171148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047938
observed fa5bd09cab1f0275d8c0f207c862bfa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:54.150881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047938/manifest.json
observed 90ec5e18687870cef0cbced51a12a00c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:54.130378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047938/publication.md
observed fee080a08dbe7e6a2143e59a5e6764fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:54.112547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047938/publication.txt
observed e221d90cf639ce92bdd358f1a7ad47f3...
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.