OpenTechnical

OT-2026-000069053

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000069053) never changes.

Identity and time

Publication numberOT-2026-000069053 · never reused
Internal UUID01a0ae90-6dce-7330-affb-8c377954f226 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069053
StatusPUBLIC

Content hashes

Canonical texte90a8e50dca83704cfbae427a023948c75b4a43a189996199530599660afb64a
Markdown3e26e03b01743ba0c60bfd6ff0f010f8a5eb3e7c472fcd7f3988b5198c8920ac
PDF
Publication page9366e53cf7dbb91673e0ba66be040e48b85c7fe7fdf39ee6b64f15cf7608de7b
Manifestcc73d96ab9dd57562b610257d88ffa72ea72e7520e5c77b9503495a13aa39f2e

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
Signaturew4jH1FeHs152btaerGLLmrkqrirskE0AQ2f74vinNx3l3ZETHPAVoQzpDNndWPeoxC+1JHqrWu5ShZRPkUviAQ==
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

2026-09-17T10:28:54.864770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069053
observed 9366e53cf7dbb91673e0ba66be040e48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:54.847181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069053/manifest.json
observed cc73d96ab9dd57562b610257d88ffa72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:54.831020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069053/publication.md
observed 3e26e03b01743ba0c60bfd6ff0f010f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:54.813351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069053/publication.txt
observed e90a8e50dca83704cfbae427a023948c...
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.