OpenTechnical

OT-2026-000075829

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, 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-2026-000075829) never changes.

Identity and time

Publication numberOT-2026-000075829 · never reused
Internal UUID01a0ae94-29fe-79cf-be19-02f8b3b25d91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075829
StatusPUBLIC

Content hashes

Canonical text4a642c33a255a15535fdbbe217a32259b5aec82a19c06320e7c85d3b830ec0a2
Markdowne3f29297ae431689ecdecf1310607cdbc4313aceb10ee041ec198a40403edbf5
PDF
Publication page09164f4a930c351727d0fa85b6cc8813816da3a3f7276cd69e41fa63072bb53f
Manifest440a6efb8b7bc2b9d850f95515ce66a97624d4f5a158ded0ac8f953a7f58f232

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
SignaturefPj2AN+UBRfLzqIDDOQ7hoJlyBhxm0o2qTbIFfuLtWjWipfiWkZ4ITgWeXHP+P0LXuQAdPCTWLs1/Ugdg44uCw==
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

2026-09-17T10:14:12.454588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075829
observed 09164f4a930c351727d0fa85b6cc8813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:12.314871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075829/manifest.json
observed 440a6efb8b7bc2b9d850f95515ce66a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:12.295546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075829/publication.md
observed e3f29297ae431689ecdecf1310607cdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:12.064710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075829/publication.txt
observed 4a642c33a255a15535fdbbe217a32259...
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.