OpenTechnical

OT-2026-000038321

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000038321) never changes.

Identity and time

Publication numberOT-2026-000038321 · never reused
Internal UUID01a0ae78-2d51-7d01-82d2-71b8497e7e40 · 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-2026-000038321
StatusPUBLIC

Content hashes

Canonical text5a015a0f3ade4868655273c4ef8370f23972658220993d6e3b92fcdd58b53551
Markdown9358fe71d02e6c8112abb4ff3ecc6c4d4852573a633492895d9995654a4a0e8b
PDF
Publication pagee14e03b855021456a87de446fbb6261a5b021c4ee5feff33e29960247644765e
Manifesteb1165479e6c170e6894692d72847a69ec07ea494679a0c9785c980237329bc0

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
SignatureqZ8IR/g2/AmwowKWO3KAto5xwfqN9GPWmaHLOZ+iJqzicYnqza3pnDbVZmF0USpAs9FSrb2DaVBbNAl1jIsjDg==
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

2026-09-17T11:22:29.178560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038321
observed e14e03b855021456a87de446fbb6261a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:29.160277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038321/manifest.json
observed eb1165479e6c170e6894692d72847a69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:29.141593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038321/publication.md
observed 9358fe71d02e6c8112abb4ff3ecc6c4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:29.122878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038321/publication.txt
observed 5a015a0f3ade4868655273c4ef8370f2...
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.