OpenTechnical

OT-2026-000078543

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000078543) never changes.

Identity and time

Publication numberOT-2026-000078543 · never reused
Internal UUID01a0ae95-7c29-7009-b9cd-7881728d90ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078543
StatusPUBLIC

Content hashes

Canonical text225054059e092227f0d0bd969cb88055251a1c72207bc269629975d7e3ff8a2b
Markdown6b80867803f569057e5e85a3ed8bd395eac96d335d5c8c94f57446fa72174b1c
PDF
Publication page16d240543cc05bd6e849a08b6453d05e7428de0f27e62c940e5d4396b2dfe8c1
Manifesta3f288fd4fae6c1025ed2ebcf84644495a6c6473769b7522315f30ea6519ea2a

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
SignatureVV9kBzc8MjVw3MBKq2i/UCm/z3l+AAohdRaZPK1DjfVbsKkXMs9KOl33WRqhPrOQjJbJGd0YWwTRC0kgoif/BA==
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

2026-09-17T10:06:33.833176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078543
observed 16d240543cc05bd6e849a08b6453d05e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:33.815368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078543/manifest.json
observed a3f288fd4fae6c1025ed2ebcf8464449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:33.796570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078543/publication.md
observed 6b80867803f569057e5e85a3ed8bd395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:33.778201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078543/publication.txt
observed 225054059e092227f0d0bd969cb88055...
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.