OpenTechnical

OT-2026-000042008

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000042008) never changes.

Identity and time

Publication numberOT-2026-000042008 · never reused
Internal UUID01a0ae7a-5d6f-76df-accf-7d58b45a9259 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042008
StatusPUBLIC

Content hashes

Canonical text2441e83dd52d478f531305628efd7b0e64f5ea15dde1c082dab94d968c67f2f1
Markdown6ae74cd9307be0a3c20374b0f68aa589f2ecd2689fda2226fdc6f259908c2cdb
PDF
Publication pageb050e05cdc70498ce6c724e41209c642abf2b255d54112d7587d86cea53c8595
Manifestb0bd3e10b3fc81cf2a7bc94c3e97f3c9c423865a5580010bbb5e4f7102e708eb

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
SignatureWsh9FIaTdy0cMFhessM6BkJhPWaRtQPS5ySudrEVeNYW8HBI1BPCAXN2K2wbfh012ehRsoeuX2U115ETG0q0Dg==
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

2026-09-17T11:15:30.479775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042008
observed b050e05cdc70498ce6c724e41209c642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:30.459965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042008/manifest.json
observed b0bd3e10b3fc81cf2a7bc94c3e97f3c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:30.439905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042008/publication.md
observed 6ae74cd9307be0a3c20374b0f68aa589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:30.419356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042008/publication.txt
observed 2441e83dd52d478f531305628efd7b0e...
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.