OpenTechnical

OT-2026-000019178

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000019178) never changes.

Identity and time

Publication numberOT-2026-000019178 · never reused
Internal UUID01a0ae6e-f391-714b-ac20-e2e26e31a6ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019178
StatusPUBLIC

Content hashes

Canonical text04f59206232d812d971ebdf06d691a9cfb3805085b148681154010f664d3a61b
Markdownebca2aeb708cae6ba75239fa529dac15e3938ee580db3f4c3edbc2ea6f625b0a
PDF
Publication page1982a4d5b795a564121ed3b0e7f5f10879cf8f254cf41032e9a5e090ef7d8d2c
Manifest4d1a44fb32b3c961b301e16157148fa92f8e78cc56d8a529d8d87591f80d48ab

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
Signature5G2Km4qV2MJc0Rik9yW8DKuRhfe4CcIi0ejYeNckDLt7q4y4O5tp3Grp1qN14GIRZRgGjAdZoYrAJTUB6h7VDA==
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

2026-09-17T11:58:29.648870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019178
observed 1982a4d5b795a564121ed3b0e7f5f108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:29.632629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019178/manifest.json
observed 4d1a44fb32b3c961b301e16157148fa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:29.616681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019178/publication.md
observed ebca2aeb708cae6ba75239fa529dac15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:29.598681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019178/publication.txt
observed 04f59206232d812d971ebdf06d691a9c...
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.