OpenTechnical

OT-2026-000073547

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000073547) never changes.

Identity and time

Publication numberOT-2026-000073547 · never reused
Internal UUID01a0ae92-efb9-788e-b540-43d71198c462 · 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-2026-000073547
StatusPUBLIC

Content hashes

Canonical textc89ec315eea48d93a7a0e5304af68d0e150e7f48fd7f9d1e0eb60a9970b5a2f3
Markdown63c3751cec9645dad804c3e4855cd978812ecc5dc56f3938b82db09df1506ad7
PDF
Publication pagebb8903c1b7daf5886ff7aad9f9e5d1b35604132c3fcc5cab3b81d64d9f654bc2
Manifeste63e7d8e695fcf970a2dbac9627bb87a1ebf9b25948b75c01ce9d9c032a44484

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
SignaturerytlSWr/bgyNNOnceVVCEHH5s2er9tpbC2rJjq5OGHBQ6yJhz3nvKZMZKeE/dOE2W0SgJbUtexAbH7wnuiQLDQ==
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

2026-09-17T10:21:42.157175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073547
observed bb8903c1b7daf5886ff7aad9f9e5d1b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.137574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073547/manifest.json
observed e63e7d8e695fcf970a2dbac9627bb87a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.119696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073547/publication.md
observed 63c3751cec9645dad804c3e4855cd978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.102708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073547/publication.txt
observed c89ec315eea48d93a7a0e5304af68d0e...
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.