OpenTechnical

OT-2026-000024613

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off before set-down

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-2026-000024613) never changes.

Identity and time

Publication numberOT-2026-000024613 · never reused
Internal UUID01a0ae71-2725-76a7-b09c-fe4c2df105a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024613
StatusPUBLIC

Content hashes

Canonical text377051b4883c89d0f7a779d82aaf2a75f2d6be70aaa3e343dfe398f81f83a2c6
Markdown7007bbfc0d95bba58f2ebfa58c3341b5648da6adcd230b7a2caba4736773f410
PDF
Publication pageb0bd834f494f2f020d82c3da9abf35a34059082d162300edc48ef82fa16dc600
Manifest5d2fa7b1b7f28139ee905f619c4b61da9854a578de305b607727209704e65188

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
SignaturenAN8a8pzz3oJ/UkZh9/mra5Y8CxXRXvvXRKT90E9pd9UWq3LckedItmjGi3pDy/EAIZdHts4K6E4s/jJCWBJDQ==
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

2026-09-17T11:47:48.276166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024613
observed b0bd834f494f2f020d82c3da9abf35a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:48.257780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024613/manifest.json
observed 5d2fa7b1b7f28139ee905f619c4b61da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:48.235730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024613/publication.md
observed 7007bbfc0d95bba58f2ebfa58c3341b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:48.214244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024613/publication.txt
observed 377051b4883c89d0f7a779d82aaf2a75...
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.