OpenTechnical

OT-2026-000089119

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000089119) never changes.

Identity and time

Publication numberOT-2026-000089119 · never reused
Internal UUID01a0ae9b-db00-7242-b3d6-439169054fb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089119
StatusPUBLIC

Content hashes

Canonical text2ded285de9cab20aa644896ad6311f64edb90386eb83599ffe94972b39c584d2
Markdownc9fc41eca670363ce4f4e010b03f382a2e147901413ce9c0428509a11ab8d310
PDF
Publication page8cb37abb240afe355033e80e2f48c3e6f0086138318c7d6fcfc2563a13432ed4
Manifestd98c5427e7717b83a692bd69cdbd3f6b6818f253a5632a4044f7cf8a557801f0

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
SignaturezF5lX2uq0GrQP+pYNZ+nbmf65bSNoZMn5UShixTfBwrEKo560DcHxY95S5lgYzhVRgSnoSfAtm5eZrHTKXUzBw==
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

2026-09-17T09:47:01.841710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089119
observed 8cb37abb240afe355033e80e2f48c3e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:01.824743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089119/manifest.json
observed d98c5427e7717b83a692bd69cdbd3f6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:01.806904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089119/publication.md
observed c9fc41eca670363ce4f4e010b03f382a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:01.787509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089119/publication.txt
observed 2ded285de9cab20aa644896ad6311f64...
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.