OpenTechnical

OT-2026-000076769

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000076769) never changes.

Identity and time

Publication numberOT-2026-000076769 · never reused
Internal UUID01a0ae94-b06f-75ef-9f64-274e895dba1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076769
StatusPUBLIC

Content hashes

Canonical textd1ffeaa46b09782e19b73c1fd1986261e4ddc994e3429a7d00b51f3320a34d43
Markdowndc7d516b7cf5cb3ab4fbcb25937e4e6e5fe57fe36ca9cec35100e7a19e3680cb
PDF
Publication pagec21859f3012e91b6a5faace4d55e2b5ca306797cbd333eb090f1b748b4b164b8
Manifestf2ece4b9919963b4ef4f2e9c51e20b62fbfd928d6f39764dd4b70c86afd9094f

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
SignatureAcUDMsTy7y8l0Es7TfhEziA9X8CBMuHyn22t3OMSyR2LO606gQKh3OTUiBtXKlDmVINtdHOl4KtguVJ9vpGSAg==
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

2026-09-17T10:09:37.792932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076769
observed c21859f3012e91b6a5faace4d55e2b5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:37.775322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076769/manifest.json
observed f2ece4b9919963b4ef4f2e9c51e20b62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:37.753670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076769/publication.md
observed dc7d516b7cf5cb3ab4fbcb25937e4e6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:37.733526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076769/publication.txt
observed d1ffeaa46b09782e19b73c1fd1986261...
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.