OpenTechnical

OT-2026-000095975

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000095975) never changes.

Identity and time

Publication numberOT-2026-000095975 · never reused
Internal UUID01a0ae9f-fac8-7c33-b1af-421548f3cf6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095975
StatusPUBLIC

Content hashes

Canonical text396ec8e99c16ae41cb1c740585451d859549c7e772294e17faa86fab1869e7e7
Markdown4b5f086dedc382a86db624632a92be4a3a2ed6201e79f71871101244cbc5eee6
PDF
Publication pagedbf9bd04691824f7fe623ada932875778aec26a6f734561e463271a8e1e81a7f
Manifest43fcf257e89b1777d4fe9d5cddd55bce2a47a1efa92042281c85c6faabbe9e30

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
SignatureoZa5uAymuy5ltjg9tDdumRs3BJmJ1hniPXtS3H6nOAFfwJGAusecsiB09NUXlrRBuEiWeXmRVdN/hcb6Xe2ZBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:05.765234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095975
observed dbf9bd04691824f7fe623ada93287577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:05.745468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095975/manifest.json
observed 43fcf257e89b1777d4fe9d5cddd55bce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:05.726055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095975/publication.md
observed 4b5f086dedc382a86db624632a92be4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:05.706213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095975/publication.txt
observed 396ec8e99c16ae41cb1c740585451d85...
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.