OpenTechnical

OT-2026-000046681

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000046681) never changes.

Identity and time

Publication numberOT-2026-000046681 · never reused
Internal UUID01a0ae7e-57df-751d-933f-3b22328762a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046681
StatusPUBLIC

Content hashes

Canonical textb5b259447fbee0b7f0b321dae19835c436ef27fc082ba13584427c065f54fd8e
Markdowna6d041e7fd829e90d6794993c37b92932458528e0307380739ac041b944bd1df
PDF
Publication page71b212925783345d0ceaa1f90a127b3e93a1e634442f1195ff1bf33f9c22b275
Manifest0a2cd330e746f4dd40285e4781ed9def6645c6f8a2f8b859e8ee36dcfcb2ef7b

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
SignatureJiUouqtnObY5qu1IPi/dBfTPfU3zvd/L3dXOFkhhj/i/G+vCi2YozdNTLVJhfhS5eqETVJYgwFaKEj0xgmgNCg==
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

2026-09-17T11:08:46.904155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046681
observed 71b212925783345d0ceaa1f90a127b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:46.886274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046681/manifest.json
observed 0a2cd330e746f4dd40285e4781ed9def...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:46.867857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046681/publication.md
observed a6d041e7fd829e90d6794993c37b9293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:46.848097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046681/publication.txt
observed b5b259447fbee0b7f0b321dae19835c4...
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.