OpenTechnical

OT-2026-000026025

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000026025) never changes.

Identity and time

Publication numberOT-2026-000026025 · never reused
Internal UUID01a0ae71-a83f-7025-80cf-84f7f408e6fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026025
StatusPUBLIC

Content hashes

Canonical textd8b094a5bb446c2b18a5aaa8afbae8995df12b45b10f84e1980d9898cb7ddde4
Markdown82ff25c9395e43d189329ae9b262c2f400b30be16339215da3dc1a14a893203a
PDF
Publication page8af8ec5e0e1d5f864861e5a81631941d770e88b61fa286e36ba82dde0ef0a28c
Manifestaf25741dd117f3a33c1a175736c2245cc1b4ccc6b33efab17b8802c5d47bd318

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
SignaturehXd01Ce6MU9qDfKAQDHzyzb33QGrwffg6q5PYX97qs4QzOFRUeCEQkm1XPMikwLLiGWJ09l4cWgepS8MLI1OAQ==
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

2026-09-17T11:46:24.473674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026025
observed 8af8ec5e0e1d5f864861e5a81631941d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.454566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026025/manifest.json
observed af25741dd117f3a33c1a175736c2245c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.434675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026025/publication.md
observed 82ff25c9395e43d189329ae9b262c2f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.416698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026025/publication.txt
observed d8b094a5bb446c2b18a5aaa8afbae899...
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.