OpenTechnical

OT-2026-000097839

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line 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-2026-000097839) never changes.

Identity and time

Publication numberOT-2026-000097839 · never reused
Internal UUID01a0aea1-92f6-7be3-9c7a-2a5c4f00b17e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097839
StatusPUBLIC

Content hashes

Canonical text17fdc47c2af8b3dbae8b526951705b027ca96c51e2bebb3a97db7855eb04a2df
Markdown3e203b107d528ed6ea173553f9f5357a29cfaea73651971a2ba7e7602c35fa96
PDF
Publication page682441fbdd5d51c3d8e19106f965da3984b35b96e27d36e04ea7d67c3fbdf0f4
Manifest85f55c7cf7154975e0fa1381870ee52d2a34ca48d66d54b87d38ce8b1212a523

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
SignatureOtbRJ8+sgfiYgbCoIOhzRNGlvNqgscgBNbU58PP4AQyHeexHxuHBd3zywTSGfnZdReF4jOeHnLj3/1bM88lPAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:32:56.430380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097839
observed 682441fbdd5d51c3d8e19106f965da39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:56.410585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097839/manifest.json
observed 85f55c7cf7154975e0fa1381870ee52d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:56.390632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097839/publication.md
observed 3e203b107d528ed6ea173553f9f5357a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:56.372154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097839/publication.txt
observed 17fdc47c2af8b3dbae8b526951705b02...
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.