OpenTechnical

OT-2026-000091476

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091476) never changes.

Identity and time

Publication numberOT-2026-000091476 · never reused
Internal UUID01a0ae9c-f16d-70eb-a2af-d82f2d71c21c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091476
StatusPUBLIC

Content hashes

Canonical text487b0cbbf449586106bd822333b0009b1ef8ef8955a1d724c8565cf8d486fcc9
Markdownb03debff31c09732033fb8f88b3d9da8158056d42fc539c23c3d4ac87272eabc
PDF
Publication page201085abc2703ac65b3e787aa810df714ec6c7dd0bedaa7e8c27bb82d5284e9a
Manifest283615dd595f2e0b9a3fac0cfb249c9602c7f9cb234c9695e505e88b17ed8367

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
SignatureKhL1J16mYUdfRxRgiQCrMlLmBWMx56MbAVoXTr3JFfz6YFDZaYNID3gvh/QFupt6dxKEc96Exa+3CV7i+RQrAA==
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

2026-09-17T09:43:43.668802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091476
observed 201085abc2703ac65b3e787aa810df71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:43.651876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091476/manifest.json
observed 283615dd595f2e0b9a3fac0cfb249c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:43.636100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091476/publication.md
observed b03debff31c09732033fb8f88b3d9da8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:43.619347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091476/publication.txt
observed 487b0cbbf449586106bd822333b0009b...
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.