OpenTechnical

OT-2026-000015152

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000015152) never changes.

Identity and time

Publication numberOT-2026-000015152 · never reused
Internal UUID01a0ae6d-ef47-70a5-8ae1-9177517757a3 · 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-2026-000015152
StatusPUBLIC

Content hashes

Canonical texte3503fefd5058a75d288df9c7d77a9ecb2dc7a7eab27dd1b612f8fd4e7fbc371
Markdown2d928873be6726794c942d3ff25e5b9858b6abdf9647adda2935d745aeded718
PDF
Publication page6f9c4b79e83355be1fbd09a2077c530ecf101d72efd234b7867caaf81f983bb2
Manifest3c75b67668e7a1c3e76be96b01966d81b22962b2b17663711299c56e20336edf

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
Signature9Ih+zYEFTbkY41952x42oUBIqUzc3mC43TVodA3hKRSk4vgijWD9PcatgyTrMKX6JR33JkJmRTIe0x1pJLkuAw==
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

2026-09-17T12:05:45.700470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015152
observed 6f9c4b79e83355be1fbd09a2077c530e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:45.679473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015152/manifest.json
observed 3c75b67668e7a1c3e76be96b01966d81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:45.656788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015152/publication.md
observed 2d928873be6726794c942d3ff25e5b98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:45.633579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015152/publication.txt
observed e3503fefd5058a75d288df9c7d77a9ec...
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.