OpenTechnical

OT-2026-000099447

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000099447) never changes.

Identity and time

Publication numberOT-2026-000099447 · never reused
Internal UUID01a0aea2-c974-78ea-a194-7ccba69953d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099447
StatusPUBLIC

Content hashes

Canonical textea071bbd6552adb712d7a69f3ee941c89159e25792842b64a23eba6ad51500f2
Markdown206567f57d501abec3ead38657a0575193ced4e956d3b16994293d0274d26607
PDF
Publication page6a9bfaa52f9d97f2abaf6edb3cdd6ce3cecf286f8781ce67c1eb7683e1d4e57f
Manifest6b7a47e1053da0b8673dc9e653b4fef01e15a6678996d5f64fd31ed148f9fb12

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
SignatureDQDFqoKf4r0lPmte6SmNHqmOYAAsvrN/yeULByW3i2O/PxTvO9Reb5+Ue21I+XnFQbfyQOq9Gk/D9b8d+ALaCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:13.695647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099447
observed 6a9bfaa52f9d97f2abaf6edb3cdd6ce3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:13.679275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099447/manifest.json
observed 6b7a47e1053da0b8673dc9e653b4fef0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:13.661794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099447/publication.md
observed 206567f57d501abec3ead38657a05751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:13.645610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099447/publication.txt
observed ea071bbd6552adb712d7a69f3ee941c8...
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.