OpenTechnical

OT-2026-000068630

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000068630) never changes.

Identity and time

Publication numberOT-2026-000068630 · never reused
Internal UUID01a0ae90-2483-7e36-b7bb-d238d60fb848 · 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-2026-000068630
StatusPUBLIC

Content hashes

Canonical textd2a8279c737f860fb3bf4fe9dd94086161db762078a19ccdc331360035b46b1e
Markdown5aacdb7fd0bee7f27a67a273317b0d3c7f692f4a11929b2229e91063b05006d0
PDF
Publication pagec7a43bc95f1ad7ae164e37c81b71d786c1a1efb48917bd999640fe2fd9c39a5a
Manifest091091372faa1a6f7580e307c3f30a975e8f0f7e3d9002fc5833a98499e906d3

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
SignaturetNRFoGz5GF7UGTZhMKpwh9PAwSXzvbeZLypYszCg5aWFom0yUrubpoquzf8NlPaHnq6SX0dBwOLF9RsihRxtCg==
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

2026-09-17T10:29:49.077515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068630
observed c7a43bc95f1ad7ae164e37c81b71d786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.058975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068630/manifest.json
observed 091091372faa1a6f7580e307c3f30a97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.040265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068630/publication.md
observed 5aacdb7fd0bee7f27a67a273317b0d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.019725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068630/publication.txt
observed d2a8279c737f860fb3bf4fe9dd940861...
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.