OpenTechnical

OT-2026-000070571

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, 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-2026-000070571) never changes.

Identity and time

Publication numberOT-2026-000070571 · never reused
Internal UUID01a0ae91-5460-7e83-9f9c-894cd012b4e9 · 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-2026-000070571
StatusPUBLIC

Content hashes

Canonical text41d81801f1218f0588fb20cd528990f22d9f06743b3ed140875ed3c829a0477a
Markdownd0912117031c2ef38e61eb016c061eea8fd4d1df42ae71d11be4ee9b7238e3ff
PDF
Publication page9cf1767b4b1d86116b8a5380bbdd85fbca4281f78f316c58873e07ad0d8e2082
Manifest0242ff6a534b8b5839625fd111a5d207c9df25f43686ca6d8ab0dc0e6cdcc1b4

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
SignatureC6IhjBLH80dBmIahjn9YrKpbjtzvbc6TFmPrFoS4reqRtdfVBzGpDYlKM89I+x3OIOUsWynfF9Os7Y9VYBt3Dw==
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

2026-09-17T10:26:25.350902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070571
observed 9cf1767b4b1d86116b8a5380bbdd85fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:25.333218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070571/manifest.json
observed 0242ff6a534b8b5839625fd111a5d207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:25.317249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070571/publication.md
observed d0912117031c2ef38e61eb016c061eea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:25.301398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070571/publication.txt
observed 41d81801f1218f0588fb20cd528990f2...
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.