OpenTechnical

OT-2026-000070411

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000070411) never changes.

Identity and time

Publication numberOT-2026-000070411 · never reused
Internal UUID01a0ae91-545f-7b7d-8e0e-4dd2a2ca87d4 · 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-2026-000070411
StatusPUBLIC

Content hashes

Canonical text78ed7f1e79646b47895fb63eebe283a1db308b68022c53413bfb2f1372d86f0e
Markdownb230256dcaf7c37ac92d426b8753b38d269cfa89996dc2b4d9affc25c09c194f
PDF
Publication pagef1127acc3535911d2cc47b2b357cd7c599c78851e91e41a9b10701c3aee743af
Manifestea47f3a373a76beee14d73388e1b31b394985c1ce6a198d5f0756fc4f85b48e6

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
SignatureenNnzLnAB4v31DEeKCCQu+2g39sHCm82zKKqqevx/eXsKGtfeE1CKXCnnqwGpQmYzOBP07NGirnC/ANqfdsUDA==
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

2026-09-17T10:26:13.267257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070411
observed f1127acc3535911d2cc47b2b357cd7c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.249020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070411/manifest.json
observed ea47f3a373a76beee14d73388e1b31b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.230676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070411/publication.md
observed b230256dcaf7c37ac92d426b8753b38d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.215010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070411/publication.txt
observed 78ed7f1e79646b47895fb63eebe283a1...
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.