OpenTechnical

OT-2026-000029902

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000029902) never changes.

Identity and time

Publication numberOT-2026-000029902 · never reused
Internal UUID01a0ae73-ac48-7963-af99-7a8a5032716f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029902
StatusPUBLIC

Content hashes

Canonical text950d8418d5ec355a2c094fe9c2f0886753ce6bf58c3567d2400187ed391f1054
Markdown129b2cd68408de03812732d3a5077f2631e7ce95de111f32644fee68f44777a2
PDF
Publication page9d43d60f8bf693de7570753710673d17189584cec87f49fb65edf7556cd2667f
Manifest955cdbcbfe7da749d5e35c917216c4b64511b576c5a745b0980172a737437c5d

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
SignatureN4RE4upRsRwjUbY9KunzJg+EBvsvAyvX61302THXfMDesSt9OVTzC+EDHzLHeslYi4w6xT7kGPNc7AmIxMv7CQ==
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

2026-09-17T11:38:36.221441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029902
observed 9d43d60f8bf693de7570753710673d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:36.201589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029902/manifest.json
observed 955cdbcbfe7da749d5e35c917216c4b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:36.182968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029902/publication.md
observed 129b2cd68408de03812732d3a5077f26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:36.166382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029902/publication.txt
observed 950d8418d5ec355a2c094fe9c2f08867...
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.