OpenTechnical

OT-2026-000026409

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000026409) never changes.

Identity and time

Publication numberOT-2026-000026409 · never reused
Internal UUID01a0ae71-f4a7-74a0-9f93-c95167140002 · 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-2026-000026409
StatusPUBLIC

Content hashes

Canonical texta662237565f783ea26f4b65fcc812c7aa0ee1ff2b066bcf4b3e9e6a84a9be058
Markdown0f3ff731deba931f6c23edf0a411a511ed6dd3d3169f2ebe941ba7d75758c9e9
PDF
Publication page1cdccd001aebef7897f9bbc8052e7d357fbd203a3c95bec66db0d6156d85dd0b
Manifestbb2d7bcf5190867a8a3f57a2263d7ce2487575c4425e2f8280a9022d65581c93

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
Signature65IgGl59VH6BWpCdINKDOjBsMORtRc4+ITSAhwVZnmNt+etou7qPD5/u6WynkrskcuhjlrCsxFJEx9MWRpP0DA==
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

2026-09-17T11:44:23.798848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026409
observed 1cdccd001aebef7897f9bbc8052e7d35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.780916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026409/manifest.json
observed bb2d7bcf5190867a8a3f57a2263d7ce2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.760894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026409/publication.md
observed 0f3ff731deba931f6c23edf0a411a511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:23.744045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026409/publication.txt
observed a662237565f783ea26f4b65fcc812c7a...
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.