OpenTechnical

OT-2026-000020606

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two 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-2026-000020606) never changes.

Identity and time

Publication numberOT-2026-000020606 · never reused
Internal UUID01a0ae6f-65e1-7daf-9438-dca1860a69f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020606
StatusPUBLIC

Content hashes

Canonical text221c79abeec8b4f887acac2e4cd04d30e37c4e9d827ec055f56e61b26270179c
Markdown042a5ab7a9503f46f72d1ddb928cd5b3563ffbe8d14208ef72fd558784eb5c1c
PDF
Publication page8617b4c5346afb3f1451be4377b04ff2a731e5b7ad500d5b3e4cae184740da34
Manifest26b1555c1329abee0d1ca02c62fee5058c12c3c0e90feefd9ce9c6ac54899b63

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
SignatureIJLjd7PObde3W2kP00RQUFWWfLrop2ing0c1JPHvHWg0eGqKBwcxTa9D/hlouXmSx0g7ccxxvLW/xJXUJHu+DQ==
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

2026-09-17T11:55:32.932837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020606
observed 8617b4c5346afb3f1451be4377b04ff2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:32.916190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020606/manifest.json
observed 26b1555c1329abee0d1ca02c62fee505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:32.899059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020606/publication.md
observed 042a5ab7a9503f46f72d1ddb928cd5b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:32.882955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020606/publication.txt
observed 221c79abeec8b4f887acac2e4cd04d30...
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.