OpenTechnical

OT-2026-000016980

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000016980) never changes.

Identity and time

Publication numberOT-2026-000016980 · never reused
Internal UUID01a0ae6e-591a-7cea-89e3-39fd4a861fed · 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-2026-000016980
StatusPUBLIC

Content hashes

Canonical text8dc862d7a41db13f3c1cce4b103d06eb692bf2e21a4f9f7ea60207f2e82e5878
Markdown3d53e5fec9f0124e556e25469aa9987304ff5f644d76b0424125ff635da716fe
PDF
Publication page2928762350295794f1c6e03a1aa8dd3076de2f42d8ad1cfe43e6031cece6f2ce
Manifestca01387818e13606f8f06addf479dcc6168aba821379367945ed49a157004c99

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
SignaturexlMb2AgJ6SEYFH8NvTZrRb1Wf8A0wYK8FCzPwYElQZA8QpPtHi2dszj36GBqb/QCHPkXatYTQZKejVyijzGGDQ==
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

2026-09-17T12:03:22.877917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016980
observed 2928762350295794f1c6e03a1aa8dd30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:22.852614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016980/manifest.json
observed ca01387818e13606f8f06addf479dcc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:22.832970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016980/publication.md
observed 3d53e5fec9f0124e556e25469aa99873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:22.812111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016980/publication.txt
observed 8dc862d7a41db13f3c1cce4b103d06eb...
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.