OpenTechnical

OT-2026-000015172

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000015172) never changes.

Identity and time

Publication numberOT-2026-000015172 · never reused
Internal UUID01a0ae6d-ef47-7d4c-bd8f-8fe44d34bf39 · 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-2026-000015172
StatusPUBLIC

Content hashes

Canonical texte24be1e773edc3ff6afdc98264f37c417a3c32c01b25b4ec597568b212169752
Markdown85d673e1aeb692b2bc3623ca660bacdc8acccafd8dcd9f62c27e249861873143
PDF
Publication pagedd1e0c0da5a299c52b25becb467223ebaaee5b0f9dfbb4fba7ee078c6458ba99
Manifest2042c914c9a28eab9da3fa2e417fe42d52713f3b9645944d6d498c85767ca331

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
SignatureXn/KqASUZCqfeuua5+m37QLG2vE6yNuvYDaTLlhcEhpU3dOSVKq9eASm2Ng0KwoA31OeMRDWPMn4MQwLdgUjDg==
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

2026-09-17T12:05:47.514795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015172
observed dd1e0c0da5a299c52b25becb467223eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:47.495590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015172/manifest.json
observed 2042c914c9a28eab9da3fa2e417fe42d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:47.475330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015172/publication.md
observed 85d673e1aeb692b2bc3623ca660bacdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:47.457438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015172/publication.txt
observed e24be1e773edc3ff6afdc98264f37c41...
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.