OpenTechnical

OT-2026-000067900

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000067900) never changes.

Identity and time

Publication numberOT-2026-000067900 · never reused
Internal UUID01a0ae8f-c4fc-797d-8ea9-146c4d86d36b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067900
StatusPUBLIC

Content hashes

Canonical text6a1facf2e2d0ab61ab7f709b076754f8d6d29f84d413b629b8e84033a8ff0ac0
Markdownb77759c8080b98eddc397b5c1056bb6a089872caa4340241409e251d34ec68f7
PDF
Publication page8c1687280ccfe1510cb38eb1b79513d407a26718e91ca6fa0b3f09ba791fb4b5
Manifest0195310907bec54beba65df52e2adb0e94019a19552ad877b4b20643d074121d

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
SignatureSYZoc6ZQkAcgPObbBdJlI85RUqFPGkiJUejcHmmbVSygGcWm+hjuIg5sjjm//WGy2NxDIv41mqGkrCunzLAvDA==
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

2026-09-17T10:30:18.027538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067900
observed 8c1687280ccfe1510cb38eb1b79513d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.010190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067900/manifest.json
observed 0195310907bec54beba65df52e2adb0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:17.992599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067900/publication.md
observed b77759c8080b98eddc397b5c1056bb6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:17.971785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067900/publication.txt
observed 6a1facf2e2d0ab61ab7f709b076754f8...
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.