OpenTechnical

OT-2026-000099256

Publication integrity record

Four 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-2026-000099256) never changes.

Identity and time

Publication numberOT-2026-000099256 · never reused
Internal UUID01a0aea2-8289-70a0-8958-cfb6a584d9f4 · 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-2026-000099256
StatusPUBLIC

Content hashes

Canonical text1d3ea04f1d7003a4571567588c4198632e307310a0d3fa8d897c78528c15deb1
Markdown92addd5b12146428e3dbfc640a2ee740909108ad46621fcc310ff319c259c9b1
PDF
Publication page85bdc126d97c4a05c1b2b928f04ee9f38389db70b6136366c588bf3a2785443f
Manifest64622b3ac2ce231fb9a02772a411343cc6ef6e28c05d28093d3d6936eb68d387

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
SignatureGTqgEfTR0T1mmZktK7JvPo+1Ib3t9E2X7YOZxrHvtAbUebgE4mug7xW5w8tcgJVDsLA1Q50G/UYdDNKRxMbTBg==
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

2026-09-17T09:30:41.955443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099256
observed 85bdc126d97c4a05c1b2b928f04ee9f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.934701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099256/manifest.json
observed 64622b3ac2ce231fb9a02772a411343c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.916512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099256/publication.md
observed 92addd5b12146428e3dbfc640a2ee740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.897473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099256/publication.txt
observed 1d3ea04f1d7003a4571567588c419863...
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.