OpenTechnical

OT-2026-000070405

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-2026-000070405) never changes.

Identity and time

Publication numberOT-2026-000070405 · never reused
Internal UUID01a0ae91-545f-7919-b8a9-d951a5140c9d · 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-2026-000070405
StatusPUBLIC

Content hashes

Canonical texte5da2c4fd4395834e7964c9dadf65b8c301f6122502568d32835b2d96f8bf067
Markdowncceb611e165a3c892e7cf21ae826d3148a7994a6fee5a3603749baa6b085a0c2
PDF
Publication page8a924629d444a0cf52484ea62f70c914587f616f6327d8a387ec2164cecaadaa
Manifest985b6e6bcfaf24ea830e6cde7dced9ee1d69bb9b69f208a6814862f972243476

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
SignatureAHBOaQznonzJy443LF8GJTQq8fAD67ghvss9zMEY00NKV9ECesAIGFwdZPhWH8gIhoi2VPq0l7E9OI8krKTCCA==
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

2026-09-17T10:26:12.806669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070405
observed 8a924629d444a0cf52484ea62f70c914...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:12.788006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070405/manifest.json
observed 985b6e6bcfaf24ea830e6cde7dced9ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:12.767366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070405/publication.md
observed cceb611e165a3c892e7cf21ae826d314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:12.747648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070405/publication.txt
observed e5da2c4fd4395834e7964c9dadf65b8c...
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.