OpenTechnical

OT-2026-000042100

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000042100) never changes.

Identity and time

Publication numberOT-2026-000042100 · never reused
Internal UUID01a0ae7a-5d71-73e7-9d5c-4ddd5e0acfa8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042100
StatusPUBLIC

Content hashes

Canonical texte554ca53432e236928e8b5e52cc7a776d7ecce28517deca2b376ae4d25c91642
Markdown54ad167fdb31a5e81ca2eca110b9aaefce55d478834e83503d86e3a78a0a8af5
PDF
Publication page35d1139de2f8112ead43cab4f97fc51b4cf14293e109e1c217dc7c392ec3ce98
Manifestecd26d5314d3f71360b1e99aa534c0a4a93096a36c806bb8a6332e10045449ad

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
SignatureDq+aiTnGqzkJ4tFkpB/FSTRrkbqyU9VIahReXXNWLOoOPzZmOjvhVm+x3gUx/Wa8HqxolPBSYOABevkD3ciBCA==
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

2026-09-17T11:15:38.014320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042100
observed 35d1139de2f8112ead43cab4f97fc51b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:37.992790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042100/manifest.json
observed ecd26d5314d3f71360b1e99aa534c0a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:37.974310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042100/publication.md
observed 54ad167fdb31a5e81ca2eca110b9aaef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:37.953819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042100/publication.txt
observed e554ca53432e236928e8b5e52cc7a776...
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.