OpenTechnical

OT-2026-000064539

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000064539) never changes.

Identity and time

Publication numberOT-2026-000064539 · never reused
Internal UUID01a0ae8d-a462-783a-9715-1ebb8d594658 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064539
StatusPUBLIC

Content hashes

Canonical textbd08c59bafb0bc2009be2dc7876903f7989142ed426930fc49da98a689eeacc2
Markdownf89d680a3bfabcdd52d01df55a895070aa81a00908521f2589bf8b94b18983b9
PDF
Publication pagecdd39d8403d95f2abbdc5839e8a0d0765ba9dbf8a600e433acfb724f759711de
Manifestcf39f2edc66f0f9c899108a3841d1424caa04dc4268af52c11155c25299e62d5

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
Signature0oycnd4RU2L+wQpOmJb7D/ky6SG/OSlX0RqITXNKvmCBjzEoFXPnj0OII3Qm+v8OpmryaC9UTrJfRYmkYCxkDQ==
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

2026-09-17T10:36:45.338312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064539
observed cdd39d8403d95f2abbdc5839e8a0d076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:45.321711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064539/manifest.json
observed cf39f2edc66f0f9c899108a3841d1424...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:45.302723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064539/publication.md
observed f89d680a3bfabcdd52d01df55a895070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:45.284495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064539/publication.txt
observed bd08c59bafb0bc2009be2dc7876903f7...
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.