OpenTechnical

OT-2026-000015555

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three 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-2026-000015555) never changes.

Identity and time

Publication numberOT-2026-000015555 · never reused
Internal UUID01a0ae6d-ef4b-7d97-bc88-c36a8a0364ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015555
StatusPUBLIC

Content hashes

Canonical text4c595231704c041c8c49a4c7c340c737bd847e86a16d9e964b54876d082f46c3
Markdownf967f025b29aa310f593b46f853797969eff84b9b486285a8e35ea2b7c425398
PDF
Publication page513a2ffd24ce2c3ce6b2cc5560a8c96e79978cda699877208fac402eed6bca9d
Manifest52cb10c427ea39a8e36a8b3ec7a0f2074a09033f1e5cb035d8d32bf5342bdcfe

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
Signaturedr2XjzTo07Hr/O/nZ5FRi+ENwqWvcLFyyp1BZ320y+mO50KTEGwe1qiFZoghZGj56Y/GSiyt9opOvyyjEB4YCg==
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

2026-09-17T12:06:20.524417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015555
observed 513a2ffd24ce2c3ce6b2cc5560a8c96e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.506668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015555/manifest.json
observed 52cb10c427ea39a8e36a8b3ec7a0f207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.488789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015555/publication.md
observed f967f025b29aa310f593b46f85379796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.471809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015555/publication.txt
observed 4c595231704c041c8c49a4c7c340c737...
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.