OpenTechnical

OT-2026-000016628

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000016628) never changes.

Identity and time

Publication numberOT-2026-000016628 · never reused
Internal UUID01a0ae6e-5918-7f80-90ce-d54c60533c60 · 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-2026-000016628
StatusPUBLIC

Content hashes

Canonical text0d4330076b2f528eda667c4f8fef8ff70d00b92ae18bdbd31167c8fdfc0dfa9c
Markdown5755244c6768b408359eea42a032a15f3dfe7593f0e7fece531b60add78e7855
PDF
Publication paged35779bbd4dc508cc95edb729ba47bd9ee99c39891ef9899e7a649651b3d5ae1
Manifest6da3f24f4ddc11468a56f0ac8e229482ad3ceaea96995a8e63c37d1ffebe6243

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
Signature3/LjriXK4kaO2MmrT6G3Hrbm2KI0oXcVNX1ZIQmTjIFpwB7a6Mv8deb2p4qBf6EkKZLrNx6XfXIO0j/b9SYmCg==
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

2026-09-17T12:02:49.101226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016628
observed d35779bbd4dc508cc95edb729ba47bd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:49.081914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016628/manifest.json
observed 6da3f24f4ddc11468a56f0ac8e229482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:49.064089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016628/publication.md
observed 5755244c6768b408359eea42a032a15f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:49.045478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016628/publication.txt
observed 0d4330076b2f528eda667c4f8fef8ff7...
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.