OpenTechnical

OT-2026-000041449

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000041449) never changes.

Identity and time

Publication numberOT-2026-000041449 · never reused
Internal UUID01a0ae79-b145-74ef-bb91-bb8b56b4dd70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041449
StatusPUBLIC

Content hashes

Canonical text4b6eeaf7b4d5c63d860b6cb02fd1f9303261bc55d79b3258fcc7dc2a1b2fa507
Markdown80e2fb52e4f66e50b3c17147698c41306e4b7de5822d4df24d7177276369c23c
PDF
Publication page91e60b86bd4dc5426c336addd21bb847b70b5d975f8050b333fe91607d7899ff
Manifest1081fc1e7d56547f33b2331628c5edab70ca94aa0e0f157d9c1c51958f2220b7

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
Signature6I72at+hR396d6asMKf4kBcQ4+g5afCeT8vOSI/nHuhDDqY8Q2EhlAum6gbwVZobVy7DBXb4A4rkHVFu+KnvAQ==
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

2026-09-17T11:17:28.410458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041449
observed 91e60b86bd4dc5426c336addd21bb847...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:28.392630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041449/manifest.json
observed 1081fc1e7d56547f33b2331628c5edab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:28.374152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041449/publication.md
observed 80e2fb52e4f66e50b3c17147698c4130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:28.355825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041449/publication.txt
observed 4b6eeaf7b4d5c63d860b6cb02fd1f930...
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.