OpenTechnical

OT-2026-000081855

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, sustained blow-off before set-down

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-2026-000081855) never changes.

Identity and time

Publication numberOT-2026-000081855 · never reused
Internal UUID01a0ae97-0f75-719f-aa1d-587922688a18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081855
StatusPUBLIC

Content hashes

Canonical text54924a3b9dbddc6fa27a2872eeebb5e77da72990c0daddfd6edc61271cdebdc0
Markdownaf3295d1cc7806ffd4b108dd53010dc2d53bea4ec8398e53533b3d855ef3aa21
PDF
Publication pagec56301274af00bd2afcdb1ab7c27f49e40ad57e2c7c29db215d0d09cce09a6b0
Manifest3406770f404ac4e3c65127029fb4996996ec8506d3416f890454f8b2b5a1118b

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
SignatureTuRg3qRt/9yYYxPj2LaCtr1ks9bWvcx84+/W/pXJ2RpE3yL2X04tViz7W4Bl6zANkfBe3WQ0Kl3fcLZoC5asBA==
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

2026-09-17T10:00:58.190460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081855
observed c56301274af00bd2afcdb1ab7c27f49e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.172827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081855/manifest.json
observed 3406770f404ac4e3c65127029fb49969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.157093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081855/publication.md
observed af3295d1cc7806ffd4b108dd53010dc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.139880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081855/publication.txt
observed 54924a3b9dbddc6fa27a2872eeebb5e7...
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.