OpenTechnical

OT-2026-000072567

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000072567) never changes.

Identity and time

Publication numberOT-2026-000072567 · never reused
Internal UUID01a0ae92-89d8-7e80-bf33-e818768eadd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072567
StatusPUBLIC

Content hashes

Canonical text864be5540ef72fda6c9bfb9e7d885583bd79be07ecf90c96223fe04bbd7d4bd7
Markdown209694b89cdcb6848e08a8342b429d871065cb7c619517d8034beb8fc73cb0ee
PDF
Publication paged01bd7fdb48b24a32e8f973d64c7f89df50d425242c6a647d0c7fae2b31268bd
Manifest9f2077d7ccd0fe3315e6e93ea629ee4b21daa8ac233e7823b38d38ea6d1b0f90

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
Signature5ilzpSgbnbve+5hkL0G1AgwLHftGVXO+x7Y2cdw11lSnwXz3hOQ+YOt0poYUzWvtJ4p4St++E+7G5BJfqLrlAg==
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

2026-09-17T10:22:24.317846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072567
observed d01bd7fdb48b24a32e8f973d64c7f89d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.298899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072567/manifest.json
observed 9f2077d7ccd0fe3315e6e93ea629ee4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.282183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072567/publication.md
observed 209694b89cdcb6848e08a8342b429d87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.264057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072567/publication.txt
observed 864be5540ef72fda6c9bfb9e7d885583...
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.