OpenTechnical

OT-2026-000030002

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000030002) never changes.

Identity and time

Publication numberOT-2026-000030002 · never reused
Internal UUID01a0ae73-ac49-774d-a528-e60adb3ed050 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030002
StatusPUBLIC

Content hashes

Canonical textad2956f49b8f7b2e705b2767ff38f5b7edbdfddd8c614e560ec48db3f61acb3a
Markdownee0a58cda96fed3bb0dea06cac9a26d5e36741b0531c3fc814795a9eb2ed19ae
PDF
Publication pagebd07e044caee87cb70d627c109462530db795f02c441417c539e4a59fbbca903
Manifesta998606a5d8dd41aea041e82458b0a49e533039f7a156704d9064924aa92242f

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
Signature6Sh1z/JSiY5aLA1ELWdnUT9ISPJ1wrBTHwmdxbeyAv8ptwSjGw3tRo+BRXSsLyHqHdyDy9lxWua6nGSHfrnxBg==
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

2026-09-17T11:38:43.868280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030002
observed bd07e044caee87cb70d627c109462530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.850454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030002/manifest.json
observed a998606a5d8dd41aea041e82458b0a49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.833024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030002/publication.md
observed ee0a58cda96fed3bb0dea06cac9a26d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:43.812205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030002/publication.txt
observed ad2956f49b8f7b2e705b2767ff38f5b7...
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.