OpenTechnical

OT-2026-000035675

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000035675) never changes.

Identity and time

Publication numberOT-2026-000035675 · never reused
Internal UUID01a0ae76-b4c7-7829-972e-e21680dbd356 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035675
StatusPUBLIC

Content hashes

Canonical text1c098779afc78918a30fb052f6207383fe12c1ce557c409dc074bd38fcad7d30
Markdownb266be42d8c4219cd71dc772f8a23c3b05f3a30ac5d7b525886402c1243c8fa8
PDF
Publication page79827faef6eb1c5bb7ce6620cfc937df012e46ed158259a90c33b40aea71c18e
Manifest7ca4b6a3da5454987267f323e053de658a82d849d6afbce184459d1eee0ddc63

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
SignatureIIc7cH9hZg8uD/uL1u5ZittQsAL8k/O5HYxCz3uSmFiz8z3Oqgou/e+HhYFVfVHKAJrDqG6eSa7/wld2nJQVCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:27:14.775164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035675
observed 79827faef6eb1c5bb7ce6620cfc937df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:14.757688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035675/manifest.json
observed 7ca4b6a3da5454987267f323e053de65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:14.735687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035675/publication.md
observed b266be42d8c4219cd71dc772f8a23c3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:14.714690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035675/publication.txt
observed 1c098779afc78918a30fb052f6207383...
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.