OpenTechnical

OT-2026-000016381

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold 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-2026-000016381) never changes.

Identity and time

Publication numberOT-2026-000016381 · never reused
Internal UUID01a0ae6e-2d12-73c9-af20-c2e87c40810f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016381
StatusPUBLIC

Content hashes

Canonical text669f36b04cfe8f546176cebe52cffefa764fd4583ff6e91bc90c9648a4c54e0c
Markdown58b1cf41d02aa51a6beed02c37d91cc144a5be0e29bfe738fea17b56f842ed54
PDF
Publication pagebd01afc8bed2a514f01aad78540271f5a9eb758971e0e9531534814b05675c19
Manifest870a91cf7aeff81bcfb60931681cf1de92c2b5404a1bf507ad045a4ef6d219e7

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
Signature3iHr7i+t2Oqe8z57Xp2ko/qqFxn/eLCGuN+a0DDJk8G1sH8vgO9gvcZZZSKCInYost7Yv0FTiRO1hcnATQqnCg==
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

2026-09-17T12:04:27.603594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016381
observed bd01afc8bed2a514f01aad78540271f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:27.583190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016381/manifest.json
observed 870a91cf7aeff81bcfb60931681cf1de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:27.561653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016381/publication.md
observed 58b1cf41d02aa51a6beed02c37d91cc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:27.540501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016381/publication.txt
observed 669f36b04cfe8f546176cebe52cffefa...
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.