OpenTechnical

OT-2026-000073345

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000073345) never changes.

Identity and time

Publication numberOT-2026-000073345 · never reused
Internal UUID01a0ae92-efb7-7241-9167-50d0af66ad40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073345
StatusPUBLIC

Content hashes

Canonical textc35b6e9188d753d5fc6a6b8a3c3af16f1b3bec04db9a7c8622baea96fae926f0
Markdowna89149910fc216f09b4ec54807f01df7358874eef238ba5ff7ef28060dc99533
PDF
Publication page385dbc3ab2cec9e2f11e323c0177e91ebefe6788dbe8571b14b26f709c71afe0
Manifest0fa098d31d41a4f8220f38b9502d1e8dadbada6b567e233b8c5298b4dc7f1ddb

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
SignaturebrnofpzC7d8GPCw6L4y97o9BHxflmnMoO5ur02aSwrosQ7uOYLQfdZqthXXhVKNatRrLnXwSvmUDRJUbW72fDA==
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

2026-09-17T10:21:22.092604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073345
observed 385dbc3ab2cec9e2f11e323c0177e91e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:22.074335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073345/manifest.json
observed 0fa098d31d41a4f8220f38b9502d1e8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:22.054671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073345/publication.md
observed a89149910fc216f09b4ec54807f01df7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:22.034645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073345/publication.txt
observed c35b6e9188d753d5fc6a6b8a3c3af16f...
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.