OpenTechnical

OT-2026-000075107

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000075107) never changes.

Identity and time

Publication numberOT-2026-000075107 · never reused
Internal UUID01a0ae93-ac2e-7daf-b59c-c891aeb77007 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075107
StatusPUBLIC

Content hashes

Canonical text293d8dbf0d117690e71732a2945924ea7909f890cf10febbb4435f4020b51b35
Markdown77d31edd46dcef1df82f7fac3234b7ae0c03559465f8cf9a4e9a4f07542943bc
PDF
Publication page08aa8a92d3f5dfd58b1fbea3fc19b4213f2bdf5eff9ad733a4f2e42cc5c42c85
Manifestdb63fcd9d0a94ceef562d59d72924cd54fe4e6f31b1c1a99e4b963e8e1db49cd

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
Signaturefb9lpOCE2z6YOkAmNYArn1V2WTgCxbs2yDI3ibAjTsTlc/EHEr3qmNYqLtcvaqxBneHdf0jACwkQ8ZfRy3UyBg==
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

2026-09-17T10:18:55.964451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075107
observed 08aa8a92d3f5dfd58b1fbea3fc19b421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:55.946727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075107/manifest.json
observed db63fcd9d0a94ceef562d59d72924cd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:55.929946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075107/publication.md
observed 77d31edd46dcef1df82f7fac3234b7ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:55.911688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075107/publication.txt
observed 293d8dbf0d117690e71732a2945924ea...
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.