OpenTechnical

OT-2026-000070305

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000070305) never changes.

Identity and time

Publication numberOT-2026-000070305 · never reused
Internal UUID01a0ae91-545e-73ce-9646-33f8ba14a98a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070305
StatusPUBLIC

Content hashes

Canonical text4d246b34b08096ef7d58e8057e2a5fa4024bed82ca1f54fe6d61d6cd08711519
Markdownf19a25ff08099c6b0e23899af9d9cacb10e5db246327d255cc8ed6f7950caad6
PDF
Publication pagecc41acf26f75baa5a3ca4940efc74df858d983107aaaf6d3b536217ae014df40
Manifest5a021776e74e834aaf2e431621a718ab23cb4335584f711af2b9078ec4e55d1b

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
Signaturecscil3FQ1SQ1YZ0XidUkOdl/eIEqmW37VhmckwiDcM3Wi8eiIttaYi3pXgO4OMdWD02neUCxwruaUkj+Z6MTCQ==
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

2026-09-17T10:26:05.521154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070305
observed cc41acf26f75baa5a3ca4940efc74df8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.506320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070305/manifest.json
observed 5a021776e74e834aaf2e431621a718ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.489219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070305/publication.md
observed f19a25ff08099c6b0e23899af9d9cacb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.472520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070305/publication.txt
observed 4d246b34b08096ef7d58e8057e2a5fa4...
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.