OpenTechnical

OT-2026-000078137

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000078137) never changes.

Identity and time

Publication numberOT-2026-000078137 · never reused
Internal UUID01a0ae95-6e8c-78d7-b23d-e63da7b5cfec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078137
StatusPUBLIC

Content hashes

Canonical texte9587ce7222e18aae1bd59578ae196d85185f02dd928fbc7afdb11842dc0cd4d
Markdown39fb0d418c6c6d10864097ef5b14cfeed3d396fd55053a51af72c29bb5a6c967
PDF
Publication page8c1409bbc0daa1b7a2930eb67e934539db366c0f306359cacaaa6d9607428818
Manifest240d140ca8f06267efd8559420570a9064d5c04d9b8bf5b2a08ec68ecc61503a

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
Signature84sBrxyca3Bl6F7IDKNi1Oe0crxMz4ZWl2vk9ak48wUvrEEr88tIY+Cs8BCrOjewVC9haVpAoql1/7dneCtbDg==
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

2026-09-17T10:06:50.985239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078137
observed 8c1409bbc0daa1b7a2930eb67e934539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:50.965360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078137/manifest.json
observed 240d140ca8f06267efd8559420570a90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:50.946476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078137/publication.md
observed 39fb0d418c6c6d10864097ef5b14cfee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:50.927380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078137/publication.txt
observed e9587ce7222e18aae1bd59578ae196d8...
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.