OpenTechnical

OT-2026-000014883

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000014883) never changes.

Identity and time

Publication numberOT-2026-000014883 · never reused
Internal UUID01a0ae6d-d095-7038-b118-334c90edeaed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014883
StatusPUBLIC

Content hashes

Canonical text1d68c74bd44e10c7dd643578d818c24a1d3c4618ccee30d8a8fb68b8b48f7f23
Markdown9c15a31539592da912597ae3769555d6fc3be9eb5ae43680ecb19abdb5d15772
PDF
Publication page6a0bf76d878ec32bad5b6a408bf940dc5ace10e84759b8145fae99646f1c63e9
Manifest45a9d79625f8e441776468b19d4f020d70a3b2c7ba5f98f218961cf7cde4548f

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
Signature+K/21yFgH1BKlOGw76JRLq+bSqw0Ll/jVkHr+0qgTL4j/ASSqqOIMB33xrDQ9VP1r9eHQkOiBeXT6TMYS3rEAA==
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

2026-09-17T12:06:48.504630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014883
observed 6a0bf76d878ec32bad5b6a408bf940dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:48.486545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014883/manifest.json
observed 45a9d79625f8e441776468b19d4f020d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:48.467192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014883/publication.md
observed 9c15a31539592da912597ae3769555d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:48.447240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014883/publication.txt
observed 1d68c74bd44e10c7dd643578d818c24a...
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.