OpenTechnical

OT-2026-000013071

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three 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-2026-000013071) never changes.

Identity and time

Publication numberOT-2026-000013071 · never reused
Internal UUID01a0ae6d-5565-7eea-b22d-49f65345656b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013071
StatusPUBLIC

Content hashes

Canonical text26831c18d6cf440aa2b78321710be47354831ac7460900262616da556549c101
Markdown48ca867dee1cbe498b8cdfa35475b7a3e53797335df8480f28a69739572f7fc7
PDF
Publication page9c0f58d9c7427e70114ee22bede26be0c82e03983f2227d8d29e95a097f66a5a
Manifestd870094c2c9c63d2fe627d6f96ab49120a13b4b31569e1f2df5ff52fa51a8425

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
SignaturesRiPwE1Oh3dcxpaCmxRLRyNnNrhH1aMPNKlmOm/vEue+/2t0gJaAq80L+fNhlB4FXpKtA+ulrapUSGi3qLaFDA==
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

2026-09-17T12:10:54.774154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013071
observed 9c0f58d9c7427e70114ee22bede26be0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:54.754892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013071/manifest.json
observed d870094c2c9c63d2fe627d6f96ab4912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:54.736400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013071/publication.md
observed 48ca867dee1cbe498b8cdfa35475b7a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:54.718337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013071/publication.txt
observed 26831c18d6cf440aa2b78321710be473...
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.