OpenTechnical

OT-2026-000036907

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, supply line 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-2026-000036907) never changes.

Identity and time

Publication numberOT-2026-000036907 · never reused
Internal UUID01a0ae77-773f-7366-81b9-43eba19df105 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036907
StatusPUBLIC

Content hashes

Canonical text73831765b75493cb1ce28e1e0d37abf19d3c71abedd58cabf793efe9949a52a6
Markdown8fd7b0ab2835d2cbf69ad09ab8b6931594078ff5672f5652e0c9c0f494a2bf1e
PDF
Publication page9e29391573163f35b73409eecea386db596552c6ec64d5f5c87122caf72659a0
Manifesta3363a15b1f91c030190d09243be4ffcd1ca1e9461f6af837d2895a6d8cc1e4e

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
SignatureR5WehuXNNHPcfa5oGWvvgnr+55fcP2IdY96Bnv8tUdEEJ61ti5lfI7u+tRroO4a4tE0470gk3OUh1ftKD7d/DA==
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

2026-09-17T11:24:32.858715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036907
observed 9e29391573163f35b73409eecea386db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:32.842403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036907/manifest.json
observed a3363a15b1f91c030190d09243be4ffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:32.825839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036907/publication.md
observed 8fd7b0ab2835d2cbf69ad09ab8b69315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:32.809170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036907/publication.txt
observed 73831765b75493cb1ce28e1e0d37abf1...
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.