OpenTechnical

OT-2026-000095432

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000095432) never changes.

Identity and time

Publication numberOT-2026-000095432 · never reused
Internal UUID01a0ae9f-8f73-7d8b-9722-076c73059fbc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095432
StatusPUBLIC

Content hashes

Canonical text41fa259880223f43238dd94a14ab815c7cbb2f45cc9fcd84f8baf03d883d6076
Markdown7002fbfb42de4d7a9a0534259815f472025a595f3441502d49597d85ff64d53d
PDF
Publication page431bc85b1bdc5abdfb872f4c5b53476f167b7e639d86df6cf71033b5cdd51a2c
Manifest83e1dd0361bfafc248ebb2809db00c49fda4fecf9242081c40471d0343488b74

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
Signature1RzN8Gh7OkLj6jyCTwi/MP64lwHqO/TdhicQ6WH357mykpljg4fM9EJa7IZfoVXkHB1O3tB/hmyt0tamkPOLDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:22.477550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095432
observed 431bc85b1bdc5abdfb872f4c5b53476f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:22.460976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095432/manifest.json
observed 83e1dd0361bfafc248ebb2809db00c49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:22.442629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095432/publication.md
observed 7002fbfb42de4d7a9a0534259815f472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:22.423104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095432/publication.txt
observed 41fa259880223f43238dd94a14ab815c...
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.