OpenTechnical

OT-2026-000090138

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000090138) never changes.

Identity and time

Publication numberOT-2026-000090138 · never reused
Internal UUID01a0ae9c-428f-7368-ba1c-d9138b64f26a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090138
StatusPUBLIC

Content hashes

Canonical text05e4b9df0b80511d287ae4b9b05b11ea24253afee495b1b9847157b748788eba
Markdownd5c5cb37c8d5b44311ce798373c5491ac8cd12fd275d3195623ff97f79c4eee0
PDF
Publication page9dfd081a3f2dd8c2a6eec02aa8c7d98d0a607e710acf1bb68a10fd397a929be3
Manifestbc28348cc7a0a00cd1e51e28cb0a7dd8a64fed56c7c334d7bc4b5060b4b4756f

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
Signaturek8RvjsPX8EpKIhCWuhGlTL85yMVo5PlWfCGv3FLNsDKIZqxIAXBH1e/k0PJhk842U1LGKSbp9tKjnUKqs6QoDw==
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

2026-09-17T09:45:34.666672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090138
observed 9dfd081a3f2dd8c2a6eec02aa8c7d98d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:34.648707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090138/manifest.json
observed bc28348cc7a0a00cd1e51e28cb0a7dd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:34.632094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090138/publication.md
observed d5c5cb37c8d5b44311ce798373c5491a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:34.612647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090138/publication.txt
observed 05e4b9df0b80511d287ae4b9b05b11ea...
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.