OpenTechnical

OT-2026-000098040

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum 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-2026-000098040) never changes.

Identity and time

Publication numberOT-2026-000098040 · never reused
Internal UUID01a0aea1-92f8-70c7-875a-e6e88468834f · 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-2026-000098040
StatusPUBLIC

Content hashes

Canonical text1c4f51023f5ebd5714ce21be341c0f777d2b7abbf36e9a05d65d512b812e0cd3
Markdown60becf14502120972fae9549ed336176acf8977925d5705a93db2f250109520b
PDF
Publication paged3f48bdfc0a86c2ac345229fe26317b3b8eeb9415fa5762a9777d6c0df1443b4
Manifesta6038757ef8bfb8eac3ad6123e8447b939d6d1ad32b6c0fb97750bd8db408812

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
Signatureioq/gVeVf9/2DNuA69E0lN8te8VUBiSO6ho4UimjEZeC4jHy9HSfMVR71u72N99EuLDGIKRsqxBL1aNtXNB7Cg==
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

2026-09-17T09:33:07.045462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098040
observed d3f48bdfc0a86c2ac345229fe26317b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:07.027677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098040/manifest.json
observed a6038757ef8bfb8eac3ad6123e8447b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:07.004044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098040/publication.md
observed 60becf14502120972fae9549ed336176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:06.981635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098040/publication.txt
observed 1c4f51023f5ebd5714ce21be341c0f77...
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.