OpenTechnical

OT-2026-000030218

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump 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-2026-000030218) never changes.

Identity and time

Publication numberOT-2026-000030218 · never reused
Internal UUID01a0ae73-e500-72aa-98f7-9a388b11bb99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030218
StatusPUBLIC

Content hashes

Canonical text4d997e8613c4f48ad07615d6e1b224dba50d9e8e118725ece10990b1d7b5ccae
Markdown2bf94d651bbfb494d69003053d6fce3f7f6dfa4ae30d5d7ee7635cd47e83d2a2
PDF
Publication page174902cb40e527785b76ef219dc7139ac91c037ac19bb4e961568ab4a4578458
Manifest3ea4ad8dfa4811b1189bd924803890fac264c5823131392c1f5fd31aa65bf90f

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
SignaturepxGEoDPyZyVjFTVrgDWo5DCS+7jhTYqrmNFuMutNF036mI6i7k/Quuo2NG9GmTEaSwxR49jvlwo4r4NddifGAQ==
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

2026-09-17T11:40:35.599521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030218
observed 174902cb40e527785b76ef219dc7139a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.579451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030218/manifest.json
observed 3ea4ad8dfa4811b1189bd924803890fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.561329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030218/publication.md
observed 2bf94d651bbfb494d69003053d6fce3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.538298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030218/publication.txt
observed 4d997e8613c4f48ad07615d6e1b224db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.108719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030218
observed 174902cb40e527785b76ef219dc7139a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.090502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030218/manifest.json
observed 3ea4ad8dfa4811b1189bd924803890fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.071184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030218/publication.md
observed 2bf94d651bbfb494d69003053d6fce3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.055175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030218/publication.txt
observed 4d997e8613c4f48ad07615d6e1b224db...
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.