OpenTechnical

OT-2026-000067436

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000067436) never changes.

Identity and time

Publication numberOT-2026-000067436 · never reused
Internal UUID01a0ae8f-6bd9-7f3e-8297-67a53c6865fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067436
StatusPUBLIC

Content hashes

Canonical text293bc6f6d59114d48f3bcf89a6ce414d513b4eec619faa1a8a95159b378d9334
Markdown48244a75d2f38e51066f89b791d70ff10d30cf1df1879c6a1c6b7eaffdd5c794
PDF
Publication page1027085dea6996632990930858f08101eb7f442bfcf85f98ee70ab072f6b6f1c
Manifest11b69600f487eaa9e93c2c3cc05421e46529782528dcec61e7a442dec522f351

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
SignaturedDnmCb7OKg9XTfGV4oLPu/rpvisW7AE9Ag0wmKO52N7vczTn++o3VOXJ/QkzedYy+H9WyVpOFwc5m7OiMvdhAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:31:38.301667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067436
observed 1027085dea6996632990930858f08101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:38.261045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067436/manifest.json
observed 11b69600f487eaa9e93c2c3cc05421e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:38.242212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067436/publication.md
observed 48244a75d2f38e51066f89b791d70ff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:38.199083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067436/publication.txt
observed 293bc6f6d59114d48f3bcf89a6ce414d...
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.