OpenTechnical

OT-2026-000073210

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000073210) never changes.

Identity and time

Publication numberOT-2026-000073210 · never reused
Internal UUID01a0ae92-efb6-791a-9b7f-7cbe9494ba8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073210
StatusPUBLIC

Content hashes

Canonical text2958c4d1282783b6141085baa1cc5fc9b787ca9695261db88934d10ce5f422b2
Markdown24fe44923f142fdff5e4e19262cfe3ed3f98de03d11bdb09d075229e2687b864
PDF
Publication page0af9e0c81e38de668f789966c4dd55bd050c84be4238715fe35f0ccb46169df7
Manifest27683fbf6c45fe3388460e9b7e74d5c8ebc64376b3e4a6523b44d4e9de8733a6

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
SignatureJmzO9J2gxXTFHrVVN3pIPzuRTgjILOfvGidRw5kusc/eE/mRpZO3w/KIsG0C49I5LC6SmRlWX5w1gGLk8YzHDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:10.872715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073210
observed 0af9e0c81e38de668f789966c4dd55bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:10.754395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073210/manifest.json
observed 27683fbf6c45fe3388460e9b7e74d5c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:10.736619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073210/publication.md
observed 24fe44923f142fdff5e4e19262cfe3ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:10.717781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073210/publication.txt
observed 2958c4d1282783b6141085baa1cc5fc9...
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.