OpenTechnical

OT-2026-000043195

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000043195) never changes.

Identity and time

Publication numberOT-2026-000043195 · never reused
Internal UUID01a0ae7b-327c-701c-8892-039926fe8a3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043195
StatusPUBLIC

Content hashes

Canonical textd7b50293e579426cad78124a671d9f294ddeb637481793b98a973f455326c0cf
Markdownf01f7105fcda849b0db73c5d2b2ba739a8010e2009589701587ce9ec4a7689ca
PDF
Publication page4f8aee22e98c5788d1207e5aac3151bfb7827772ac70c14a466ff8a37fdf93ed
Manifest13b4fbfd6e1f792c9db48ca8ee0fee7273b3ebafa6509c5fa8a0f732f91201f6

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
SignatureI/CYgSdmqyE7dVEWz9xUxCyxn8xJh7M2AzxQOsfUbBAx94y9o3RcWxQk4yHjT1oRY9IDEGpfnwEwfMweApT6Cw==
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

2026-09-17T11:13:39.095993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043195
observed 4f8aee22e98c5788d1207e5aac3151bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:39.077825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043195/manifest.json
observed 13b4fbfd6e1f792c9db48ca8ee0fee72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:39.058053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043195/publication.md
observed f01f7105fcda849b0db73c5d2b2ba739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:39.036869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043195/publication.txt
observed d7b50293e579426cad78124a671d9f29...
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.