OpenTechnical

OT-2026-000023952

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000023952) never changes.

Identity and time

Publication numberOT-2026-000023952 · never reused
Internal UUID01a0ae70-aed6-7b71-a81b-26b8aea00971 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023952
StatusPUBLIC

Content hashes

Canonical texte6b3ea513477120c359145d55ba8c4a02635af3b80803ddbfde8215bdf4700fa
Markdown568727d8b48236db2d77903e98ed16543384bf802e385baa379e1d000eb32310
PDF
Publication page8d63f4f0dde3af0be77d40ed8f3581d81b7942f8f55fea200460940bba2425ba
Manifest7dc9965c43d9a9bfa315bb0cec557d5c510036d81886322e5777fc07898300e8

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
SignaturehP+RPUguPfxaVasL+EX5CvB9EFOn2kPcxLp2qHVo8+emT5G+IFCrgSJT6+FMfn/3Pr5LniHn09OLBcDbvi6ODw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:50:42.011974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023952
observed 8d63f4f0dde3af0be77d40ed8f3581d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:41.987506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023952/manifest.json
observed 7dc9965c43d9a9bfa315bb0cec557d5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:41.848940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023952/publication.md
observed 568727d8b48236db2d77903e98ed1654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:41.824290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023952/publication.txt
observed e6b3ea513477120c359145d55ba8c4a0...
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.