OpenTechnical

OT-2026-000016988

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000016988) never changes.

Identity and time

Publication numberOT-2026-000016988 · never reused
Internal UUID01a0ae6e-591a-7b8d-a4da-3e08a22a9aeb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016988
StatusPUBLIC

Content hashes

Canonical textbb86f53900944620460b7e0cd75708cd3cc7305fce4b342c9ef61610de7b82b3
Markdown3acdcc2beb892ad73786dcedf8a9a29464dda03623579b03413312c2d024935d
PDF
Publication page055695c96735253f368e56de2df596a3107e1acb763e7748a502ce3116f0ccca
Manifestef813e4e5ecd171a7580387761b5d5da9f8adc0bfaa7c5bcccebaad028623e2c

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
SignatureLyYgQIVbxRkFY+L0ijeH8Q8G0l0jxmZSzhwQQJBWQwsvJU0adJa5oeE+/+iO0W3PmHSfi3MT7kFYzCqs1TkYAg==
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

2026-09-17T12:03:23.598801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016988
observed 055695c96735253f368e56de2df596a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.584018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016988/manifest.json
observed ef813e4e5ecd171a7580387761b5d5da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.566076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016988/publication.md
observed 3acdcc2beb892ad73786dcedf8a9a294...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.547344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016988/publication.txt
observed bb86f53900944620460b7e0cd75708cd...
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.