OpenTechnical

OT-2026-000018566

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump 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-2026-000018566) never changes.

Identity and time

Publication numberOT-2026-000018566 · never reused
Internal UUID01a0ae6e-b48a-7a69-b12b-272b22942bfb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018566
StatusPUBLIC

Content hashes

Canonical textdc88a6e3d614348d7b2f03b6e91d95faf0cb58919873814ea1448189e0aa2de6
Markdown911bf9bbd24156cb0c5f0d4b8de387c6d2303585b6fdfa5b1ad6b9569c8aa489
PDF
Publication page39eec93a676db4aafdd5825cc3f340d1f8c0e619a929464e2fcb806c6cd9bae2
Manifest2b75aa86a1956536817d1560a8adc74ad500bcffdea26ba01e8ee4254411da6f

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
Signaturejet3lXYazT0SPsrZ+3ATh1nFRnJSC/N0++6k9B01AR43miOICxCe+gEq1boWPU14LOTQUbiFY5FC8F4xXjE6DA==
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

2026-09-17T12:01:22.048053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018566
observed 39eec93a676db4aafdd5825cc3f340d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.029186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018566/manifest.json
observed 2b75aa86a1956536817d1560a8adc74a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:22.011393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018566/publication.md
observed 911bf9bbd24156cb0c5f0d4b8de387c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:21.992283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018566/publication.txt
observed dc88a6e3d614348d7b2f03b6e91d95fa...
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.