OpenTechnical

OT-2026-000101051

Publication integrity record

Two cup vacuum gripper, two zone face, four 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-2026-000101051) never changes.

Identity and time

Publication numberOT-2026-000101051 · never reused
Internal UUID01a0aea3-c377-71b5-82a3-99a9152016e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101051
StatusPUBLIC

Content hashes

Canonical texte477f4557cd11620fe5c430f343b5cddd879eeddd42d72f258b275bcb489258d
Markdownbd3b507b68c6c7d4919d3975932352095b6bf77a2744cc48617feeaeac7cf2d7
PDF
Publication page902e182604d67ab9eb5d6645b93eda6e21b93c486a338046deb43d737179238a
Manifest774e738d705dde396094e74d73909524fc3ba3c3ba6233a8fecb9225b05743a2

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
Signatureqzq4yLs8EYdpwIi3H75xfAR12EzzBaAqJw7ihoT2ziI2CZQsifYspyMW34tdJ4VdV/xyGckexbjJNHtoFhVdBw==
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

2026-09-17T09:26:39.778968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101051
observed 902e182604d67ab9eb5d6645b93eda6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:39.762475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101051/manifest.json
observed 774e738d705dde396094e74d73909524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:39.747035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101051/publication.md
observed bd3b507b68c6c7d4919d397593235209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:39.730039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101051/publication.txt
observed e477f4557cd11620fe5c430f343b5cdd...
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.