OpenTechnical

OT-2026-000038411

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line 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-2026-000038411) never changes.

Identity and time

Publication numberOT-2026-000038411 · never reused
Internal UUID01a0ae78-2d52-7852-a4b6-256d27943af3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038411
StatusPUBLIC

Content hashes

Canonical text7808d79921d3c8ffbd22a72207ff467cff34c985edbfe95452a9e5ae6c8a6687
Markdown9865bdb8c4af0ebea67612d8ef025cf7d4a25ca9c03583216e25d39a58e3dbb6
PDF
Publication page28ed402704d8fa3e298e7a08aa536f43002f0c37545748991414a9f015c678ef
Manifest76c382bad54fd2c5d425c66df7957f64f70eae428371a14250b355107f2d1a96

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
SignatureX6kzOoRKfR7G3hby0h4STORuW3l/Qt0GOO1NtlbO9iml+48/whdnH7lp/OFJsd2PnabD0ea1oZJHXHxOWbTBAA==
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

2026-09-17T11:22:37.238556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038411
observed 28ed402704d8fa3e298e7a08aa536f43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.219858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038411/manifest.json
observed 76c382bad54fd2c5d425c66df7957f64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.202394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038411/publication.md
observed 9865bdb8c4af0ebea67612d8ef025cf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:37.181386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038411/publication.txt
observed 7808d79921d3c8ffbd22a72207ff467c...
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.