OpenTechnical

OT-2026-000099241

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four 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-2026-000099241) never changes.

Identity and time

Publication numberOT-2026-000099241 · never reused
Internal UUID01a0aea2-8288-7915-b77f-291bc9980c65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099241
StatusPUBLIC

Content hashes

Canonical text73f3078967f3c22e1146fff540dc591af9fbfbdf705dc14a04867f65bb2e690a
Markdown169d5371b5f60c9ef1f33e5f8134cf95f4b38dc0de04c01fdff50a354fd82f15
PDF
Publication page191e2b61e4e186e7b429b8cc7296d529504c7e02aa0748685077651135e764f7
Manifestc284fa266d0228a528ef69f52ab7fe89edacb0a799f0bd3d8b92889221141a60

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
SignatureO3qFKLTwOwXLU8fjRCUUQtrBo/QCgq0MWAP1VDprp6iOeP+1L5NbrIGw7XQ2fPOzRwJMrHSiFJ24gJe095WxDA==
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

2026-09-17T09:30:40.746184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099241
observed 191e2b61e4e186e7b429b8cc7296d529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.725996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099241/manifest.json
observed c284fa266d0228a528ef69f52ab7fe89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.706871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099241/publication.md
observed 169d5371b5f60c9ef1f33e5f8134cf95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.687791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099241/publication.txt
observed 73f3078967f3c22e1146fff540dc591a...
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.