OpenTechnical

OT-2026-000026400

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000026400) never changes.

Identity and time

Publication numberOT-2026-000026400 · never reused
Internal UUID01a0ae71-f4a7-7d83-902b-899af9bdfe85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026400
StatusPUBLIC

Content hashes

Canonical texta190dc54c3cf51e970d6e6961aa1fe750b4f5ee8d41a2e66da1c7184c418abe9
Markdown680898c581239bf638b594be0e1db29818965cec65bfe5a4015d43f635383978
PDF
Publication pageb3c64f3eaa0bf7edc6b46cd142e9cbab59a475ae6df6316309999b8184b5a714
Manifest0530ee54f8dc884a8304ca7fc9e6130db02b1c14ccf6320a6712e45d939ef972

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
SignaturexTFmnwRfqZM4hDYrAnZHxuzowWJAUVNHsqak3OLnjRE8798hab/UIU6Z9TAOcGcTELjj8Hh+kMYP/jfEOm2UBg==
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

2026-09-17T11:44:23.115300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026400
observed b3c64f3eaa0bf7edc6b46cd142e9cbab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.098600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026400/manifest.json
observed 0530ee54f8dc884a8304ca7fc9e6130d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.079197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026400/publication.md
observed 680898c581239bf638b594be0e1db298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.062625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026400/publication.txt
observed a190dc54c3cf51e970d6e6961aa1fe75...
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.