OpenTechnical

OT-2026-000029802

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000029802) never changes.

Identity and time

Publication numberOT-2026-000029802 · never reused
Internal UUID01a0ae73-5e24-7d4f-9e2c-4e99506c7b89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029802
StatusPUBLIC

Content hashes

Canonical texta569a0050e37a552f05300df916fde13ed424613f188ade11760aa0d3757baf6
Markdowna668251f466382f37c5055aa8c10084e6512f8768ed2dd103693a84a52c3450c
PDF
Publication pagec0e8931d1f0f217b88f70cdbcf2f69fb00aea03e58d86dbcb85b9df9223eb605
Manifestc8efa1a3f73faf40951a8787562f5717b33edb63f91b4fc40fa744bdd4d86c15

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
SignaturedD+VZSafE3idDFG3svf/wh8GwtPM+iq+ONonlvt7jKzVqjSaSSBuIXNbu3y9vhjSaRHQDzRnadUoquyriigGAA==
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

2026-09-17T11:39:34.311128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029802
observed c0e8931d1f0f217b88f70cdbcf2f69fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:34.293752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029802/manifest.json
observed c8efa1a3f73faf40951a8787562f5717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:34.275734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029802/publication.md
observed a668251f466382f37c5055aa8c10084e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:34.256750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029802/publication.txt
observed a569a0050e37a552f05300df916fde13...
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.