OpenTechnical

OT-2026-000023016

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000023016) never changes.

Identity and time

Publication numberOT-2026-000023016 · never reused
Internal UUID01a0ae70-46ec-7994-836a-5de9ef4aa7af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023016
StatusPUBLIC

Content hashes

Canonical textf4383ed5e5c9d4824d319191864b3246e1961652a63379ed160364b52151111a
Markdownea4e270609d0a535a766402047845da5316e7994bb8f95df859f136fe358ba2f
PDF
Publication page7a644e26f97eb00f295734fba6e03fd77d1b40f1365756f886ab3d391a29c51f
Manifestb5c00adff8f8dc95b96b2914fe083f2f82bfdd7e322157dec318953ae07a190d

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
SignatureCKyNn0wFnngWiPIZHUkUSfTB3pDaYdIxrYems/r+pziJuU8Jdm37CQTAXu2jIGm68IbnKR8VIvqiqakRNtrhBA==
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

2026-09-17T11:52:36.782831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023016
observed 7a644e26f97eb00f295734fba6e03fd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.764985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023016/manifest.json
observed b5c00adff8f8dc95b96b2914fe083f2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.747630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023016/publication.md
observed ea4e270609d0a535a766402047845da5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:36.731719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023016/publication.txt
observed f4383ed5e5c9d4824d319191864b3246...
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.