OpenTechnical

OT-2026-000029214

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, 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-2026-000029214) never changes.

Identity and time

Publication numberOT-2026-000029214 · never reused
Internal UUID01a0ae73-2aa0-7980-bd9e-69307807dc5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029214
StatusPUBLIC

Content hashes

Canonical texta4e32df999c9c4efd23acbd64b0d2f0d3fa904485269094d997e4e1b33f0507f
Markdownba7b079dab596a4ed7e38163a28028d243c5a96ea0ed20a04245e95ec0781858
PDF
Publication pagec804da320dcb8ecd1e951a740a7fdafafeeaa411bedd3a747420fd7850900462
Manifestc2f7736d2a04c9e1185bb5c7046bc251b02b3cfba7ab5ff6fcc3a2af106b2875

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
Signaturex9YhI4qXNQbBhGHs5s48A3EtJ1iRwtSi+Niy4uSW4K0j9ABh6ha8hHoOXl5JsvxMREs3k+nzrAQFY1k5aPDICQ==
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

2026-09-17T11:39:49.972773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029214
observed c804da320dcb8ecd1e951a740a7fdafa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.953348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029214/manifest.json
observed c2f7736d2a04c9e1185bb5c7046bc251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.933877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029214/publication.md
observed ba7b079dab596a4ed7e38163a28028d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.916089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029214/publication.txt
observed a4e32df999c9c4efd23acbd64b0d2f0d...
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.