OpenTechnical

OT-2026-000067579

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000067579) never changes.

Identity and time

Publication numberOT-2026-000067579 · never reused
Internal UUID01a0ae8f-6bda-782c-93c7-1e9be2937fa6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067579
StatusPUBLIC

Content hashes

Canonical text242cfeae5db4c8dbeaa3b1a0f77d9cf8c7eaa751c02d6278091a5edacd19704d
Markdown24fa2ec13ee85e6a553b5a3fc7b678e07925791c4a5175bdac7bffc54a2f6d4d
PDF
Publication page884e6cd60e6281f3e19a40a211e6497458d99b53c0777578ccc2b51340414f8e
Manifest42aa150cf3b5b5f0c7c16f49405a13c9f4c89de859156ee9e6613c8ede5dd37a

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
SignatureQMDZlrrqBYFcv+pB0AANwJi6efvTaE2+CLS1vaAJSH3btWERD/3T/gFUSaljNBsd1VjMCYKxUPIXkLnN88IJBA==
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

2026-09-17T10:31:53.519163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067579
observed 884e6cd60e6281f3e19a40a211e64974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:53.503538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067579/manifest.json
observed 42aa150cf3b5b5f0c7c16f49405a13c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:53.486819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067579/publication.md
observed 24fa2ec13ee85e6a553b5a3fc7b678e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:53.467760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067579/publication.txt
observed 242cfeae5db4c8dbeaa3b1a0f77d9cf8...
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.