OpenTechnical

OT-2026-000016220

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before 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-2026-000016220) never changes.

Identity and time

Publication numberOT-2026-000016220 · never reused
Internal UUID01a0ae6e-2d11-74c3-ae6e-8f8ea0a90153 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016220
StatusPUBLIC

Content hashes

Canonical textdc24e8fce9ea61577def245bbcf47ee9b9cf6fa2862db6b9f0d406aa7e1d51c4
Markdown78c6142320f7961c3824066395a7945195c14141960dbb896b517e1ac07e15c6
PDF
Publication page50926650e0fe2f1f6db352631597efa75086b03dee1501df17e2d2a6e6349f61
Manifeste2f1d403ec4c851411c621f8b032e35392e1ffea0457154b66e0be4b1bbbdfa8

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
SignatureIin12/94hRPcvd1R+SRLPBMLpHZrTWt4zJj+kQKH5Y4yrzT4sMrY7Z9lvnits4HW+mYNT2wtzvxdub0iSgwWAg==
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

2026-09-17T12:03:41.050427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016220
observed 50926650e0fe2f1f6db352631597efa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:41.033734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016220/manifest.json
observed e2f1d403ec4c851411c621f8b032e353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:41.016434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016220/publication.md
observed 78c6142320f7961c3824066395a79451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:40.998185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016220/publication.txt
observed dc24e8fce9ea61577def245bbcf47ee9...
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.