OpenTechnical

OT-2026-000061725

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, vented after 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-2026-000061725) never changes.

Identity and time

Publication numberOT-2026-000061725 · never reused
Internal UUID01a0ae8b-b8aa-7268-9206-a7905c12371e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061725
StatusPUBLIC

Content hashes

Canonical text91eb23c6167b8fe1c16e40ce14f02f842d2b2ea2309be75c3107a07eab224512
Markdown62ab69b3a5a05a1186ba18dabd8c9896209522a1ad3dfb82e04a1f32f551f8c5
PDF
Publication page77107a1c339458d81907170c03ae19e5a0c4c0c74b170761c7a9d633f81e56db
Manifestc68e8979eb56e00d8344d338ed8e49be51ddcaf2d46474489635493f92c33f72

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/YhT/QhzAHdGlQrfIDIEhPFtq66Tsxsv+5uC/MLmB/ud6yj7OBzU0JUsbbEO3B6pCRSOc0QacoSciwEVDJVQAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:18.308293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061725
observed 77107a1c339458d81907170c03ae19e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.286848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061725/manifest.json
observed c68e8979eb56e00d8344d338ed8e49be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.266495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061725/publication.md
observed 62ab69b3a5a05a1186ba18dabd8c9896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.244983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061725/publication.txt
observed 91eb23c6167b8fe1c16e40ce14f02f84...
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.