OpenTechnical

OT-2026-000034289

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000034289) never changes.

Identity and time

Publication numberOT-2026-000034289 · never reused
Internal UUID01a0ae75-df0e-74e7-815a-2c3b511ca024 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034289
StatusPUBLIC

Content hashes

Canonical text88054ca1279055ec3966957db2d902abe6518cdf4f80cb551f082a678a55a21e
Markdown580774f6086d4f298387f6771cda2e6e76228704fb381664e5a2adf27464d11e
PDF
Publication page462a202d2bb098485c19177773f7b7dcd7ca7d9343a4ea84e8a34de0746241d4
Manifest16c5808150d62d7896c941aea5e7fbeea956338e25864cbb5248205e181ebb23

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
SignatureyndGG+yWTn7Ok/K6vZk4tO24LBMkxo5/VvS5ADWsDqoAtKjWsTKI3QcIymb9hT9qCY4qXnUMBU6Ea/9Ejjy8AA==
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

2026-09-17T11:30:58.614719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034289
observed 462a202d2bb098485c19177773f7b7dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:58.598999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034289/manifest.json
observed 16c5808150d62d7896c941aea5e7fbee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:58.580612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034289/publication.md
observed 580774f6086d4f298387f6771cda2e6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:58.562673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034289/publication.txt
observed 88054ca1279055ec3966957db2d902ab...
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.