OpenTechnical

OT-2026-000070345

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, 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-2026-000070345) never changes.

Identity and time

Publication numberOT-2026-000070345 · never reused
Internal UUID01a0ae91-545f-71c0-88ac-8ab5eac1f121 · 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-2026-000070345
StatusPUBLIC

Content hashes

Canonical text342963285f1a4a39e33aa72387c6979c9ab0722d850a3b2665cd2e9e276ab958
Markdown1a68e78d98eadba59b7d5a5d6d0c570fb3af9258857205c5b6d81713650daaee
PDF
Publication paged9e20878f82c332fe9bf7b165a1d3a2d6b767977d762339feb7d2315e8f58be2
Manifest710e56bfed0cfea544a58e7b4faba43846f7965c01ab49c9528a69103d20dd85

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
SignatureSca+CW9z414/UbB0JXI484E0lcVsh5xsPbymcJ7xDeQgls+vSK4s5hIhgoxDDwPXuskWWHJ/16v3aDHz88vGAw==
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

2026-09-17T10:26:08.420353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070345
observed d9e20878f82c332fe9bf7b165a1d3a2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:08.401741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070345/manifest.json
observed 710e56bfed0cfea544a58e7b4faba438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:08.381371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070345/publication.md
observed 1a68e78d98eadba59b7d5a5d6d0c570f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:08.364200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070345/publication.txt
observed 342963285f1a4a39e33aa72387c6979c...
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.