OpenTechnical

OT-2026-000068671

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000068671) never changes.

Identity and time

Publication numberOT-2026-000068671 · never reused
Internal UUID01a0ae90-2483-7c9d-abe7-15dad631e5f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068671
StatusPUBLIC

Content hashes

Canonical text4dd84a0ec3d22f34b59f9d4c23c996e2d623a9cd3941eacd26bb48fc8d260130
Markdown573968511933f3ba5d30ca4a68bb5119a9d65e7c6c7c9166609c963f86d74ad6
PDF
Publication paged2ac611b88457c06b69dc5c81c5cbe7190c3d3e6d4c9069095bbfb87e5dfa82d
Manifest7e218d43ec64e6b994c37151562b90735d9ee3d2034478b0c2a703a6f86f1f04

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
SignatureBO9lHhUX0RSgz8QYX2tA4USe4qeqCBlsH7eI4elcPmEtGBrcoqjql1rCuV0jQzwWjGYRsJA7jcq40YO2WruFBw==
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

2026-09-17T10:29:52.260768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068671
observed d2ac611b88457c06b69dc5c81c5cbe71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:52.243840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068671/manifest.json
observed 7e218d43ec64e6b994c37151562b9073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:52.227241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068671/publication.md
observed 573968511933f3ba5d30ca4a68bb5119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:52.211660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068671/publication.txt
observed 4dd84a0ec3d22f34b59f9d4c23c996e2...
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.