OpenTechnical

OT-2026-000005340

Publication integrity record

Porous face vacuum gripper, four zone face, plant vacuum fed, pressure verified

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-2026-000005340) never changes.

Identity and time

Publication numberOT-2026-000005340 · never reused
Internal UUID01a0a935-f6bf-72de-a718-44b7b1398f27 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:54:41.217919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005340
StatusPUBLIC

Content hashes

Canonical text8392148956755184dfa60cba5ff49c72c00a55d2d445f51d7a6d53add51f5cb6
Markdown3b01723ed8bd14d102f54388e83b653867af4c019e81ca86494b448c33f87ed8
PDF
Publication pageae7ebdd8958f95dd804634ca427c35fa73df0ad337ddfd2f77576934dbc9bf09
Manifest293f1b6d4dcbe51e5e22c86568896a67f923ae6079be5432bf9c0b95658a83f4

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
SignatureLXDzyrWDyPr3WGfpjQYvKVUUQZ2jq5B4Ekga94fOGrkfbqmzKR02np8VoMifIUr/160H3FoqAA3wM3aGuc3HBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:20.722433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005340
observed ae7ebdd8958f95dd804634ca427c35fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:20.708209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005340/manifest.json
observed 293f1b6d4dcbe51e5e22c86568896a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:20.695795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005340/publication.md
observed 3b01723ed8bd14d102f54388e83b6538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:20.681985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005340/publication.txt
observed 8392148956755184dfa60cba5ff49c72...
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.