OpenTechnical

OT-2026-000099231

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before 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-2026-000099231) never changes.

Identity and time

Publication numberOT-2026-000099231 · never reused
Internal UUID01a0aea2-8288-7414-967a-a2e4d5d37822 · 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-2026-000099231
StatusPUBLIC

Content hashes

Canonical text9a7f14f978ec2a91b6aacf4c72e6d0a03bc06850bd9515a8012713aa72fafdd3
Markdownbcc67f7c9a0fcd45ca64932798f15bdab0887a435b9a75af83316ce8cde1f3e2
PDF
Publication page4b5dfade33bfaa589604c844856f449906f7648a0339e2201f133a2c9ea3719c
Manifest9eea4025474f85bea49b5e51a06242e0dbd8a7f61db170c19caae9b65d220079

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
SignatureD6/ngxFx4bFKaH4jw55EmLlNSAkLRSABfz43+06hDRsnqDuigDawxqPiHNIBT0csdTftL+CUxSyw4MPCigi5DA==
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

2026-09-17T09:30:39.898974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099231
observed 4b5dfade33bfaa589604c844856f4499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:39.879735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099231/manifest.json
observed 9eea4025474f85bea49b5e51a06242e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:39.859544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099231/publication.md
observed bcc67f7c9a0fcd45ca64932798f15bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:39.840047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099231/publication.txt
observed 9a7f14f978ec2a91b6aacf4c72e6d0a0...
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.