OpenTechnical

OT-2026-000026197

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000026197) never changes.

Identity and time

Publication numberOT-2026-000026197 · never reused
Internal UUID01a0ae71-a841-7c92-b963-add23361d588 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026197
StatusPUBLIC

Content hashes

Canonical text4acf2d470d1e66ec2ca1fa66fd67d120ab0914c514a7e91081e2889c984add82
Markdown10c1ad3e248a6546a17bc0b9d47ef4a37141210e0cf860e954f2719eeec2c254
PDF
Publication page11ec718313937d9f3c3a6085cba0cdff09fe3ccd0fdc03c7e5844bb7d82e6a92
Manifest99f73713d1353ddf7608b1b8193e209ef5d9a43d4e1e80f7f94b0b41befe3a92

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
SignatureSo2bAtAYW9LPp61zHpFy+hE3xLH4/5Nh8NLnxNLFTDTYizBPaFH8OMKUH2jEP2npUU47XOVWQK3actj/lycjCQ==
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

2026-09-17T11:46:42.722411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026197
observed 11ec718313937d9f3c3a6085cba0cdff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:42.703561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026197/manifest.json
observed 99f73713d1353ddf7608b1b8193e209e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:42.682973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026197/publication.md
observed 10c1ad3e248a6546a17bc0b9d47ef4a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:42.664084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026197/publication.txt
observed 4acf2d470d1e66ec2ca1fa66fd67d120...
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.