OpenTechnical

OT-2026-000068331

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after set-down

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-2026-000068331) never changes.

Identity and time

Publication numberOT-2026-000068331 · never reused
Internal UUID01a0ae90-2480-7ad8-a88d-1f2de047a3bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068331
StatusPUBLIC

Content hashes

Canonical text8ef58a00b31ed66c8633631c69feed8a97c85900a607483167b4e2ef84a952ce
Markdown25cb8af33d3138e8de62fa4b710efbeb04b0672be213f7c183b76f49868bbda6
PDF
Publication pagea2b86f79d19deb6ee9b3d5258306e0c887701466b774d4dbd32e7663870bf024
Manifestd3c8749608257a8f1f8890fc2e401ab0695154e42cf94cb5bd84f1a4b478ddd7

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
SignatureKNwgVyP0b1MXqxMDdvqqNUIXg5hWe9nvJnGFAalOeysx4wX+0pHnuFyD+czNnmF/SgTFGRYQ+32uedSJePUcBw==
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

2026-09-17T10:29:22.379402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068331
observed a2b86f79d19deb6ee9b3d5258306e0c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:22.364592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068331/manifest.json
observed d3c8749608257a8f1f8890fc2e401ab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:22.348146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068331/publication.md
observed 25cb8af33d3138e8de62fa4b710efbeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:22.332224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068331/publication.txt
observed 8ef58a00b31ed66c8633631c69feed8a...
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.