OpenTechnical

OT-2026-000069785

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000069785) never changes.

Identity and time

Publication numberOT-2026-000069785 · never reused
Internal UUID01a0ae91-185f-7275-be2e-eb0ec843f579 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069785
StatusPUBLIC

Content hashes

Canonical textc8941470f39b349bbb4f73e75a50fe3ce156102fd0443820be03a0ea782278af
Markdownb29c6f72ba9c4dd789b598015650e61e310834ea162f1437b90193e43d0b66b4
PDF
Publication pageda74b663e25b9f806502ffd6f635d511eed975aef1b67fd0f878cb2909088164
Manifest51dcd68aeb52b6ca69d2453fe2b7f0fcf15a7743526efb27ab887223026c08fa

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
SignatureoOkHcbam7lN6lvZAAYm6RH5TJb1IyZCyj0rPDpEa4Y8pVTBbiuBxboUViCGsmzDvgm5iG3T68PlU1afz+coYAA==
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

2026-09-17T10:26:36.977129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069785
observed da74b663e25b9f806502ffd6f635d511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:36.959827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069785/manifest.json
observed 51dcd68aeb52b6ca69d2453fe2b7f0fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:36.942563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069785/publication.md
observed b29c6f72ba9c4dd789b598015650e61e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:36.924534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069785/publication.txt
observed c8941470f39b349bbb4f73e75a50fe3c...
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.