OpenTechnical

OT-2026-000100640

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000100640) never changes.

Identity and time

Publication numberOT-2026-000100640 · never reused
Internal UUID01a0aea3-66f3-793f-9037-48e7803d640c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100640
StatusPUBLIC

Content hashes

Canonical textc60c5c15803fbdec5a021f7754e91287f8f678a1a7b804a1e233fae6cf81ab35
Markdown029d2a54028518c0b3f76e35a98ab80a6a27e2a6dd610da0cd56b973e420176f
PDF
Publication page3d8ee2b3e9cdaff7087467bdb8820d024238f8233d165ada335cd7d3474c97a1
Manifest198e8b80d64a3823513ef8b9133ad3251966dd96311867d043260682b12ba6c1

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
SignaturexqyswYVkaXGfBZ6OEVsWwTfGyPonGj3v3PXIylZcu5zDHv9GiMDe/FTdYUmHE9PaTao5ArtPOhfmnpmjGt+sAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:26.562054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100640
observed 3d8ee2b3e9cdaff7087467bdb8820d02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:26.543957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100640/manifest.json
observed 198e8b80d64a3823513ef8b9133ad325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:26.526324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100640/publication.md
observed 029d2a54028518c0b3f76e35a98ab80a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:26.507472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100640/publication.txt
observed c60c5c15803fbdec5a021f7754e91287...
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.