OpenTechnical

OT-2026-000090285

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, 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-2026-000090285) never changes.

Identity and time

Publication numberOT-2026-000090285 · never reused
Internal UUID01a0ae9c-4290-7d4d-b6e5-ae10f74632b6 · 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-2026-000090285
StatusPUBLIC

Content hashes

Canonical text1ed6cce20964515b56ee20c699d222568ee1a8c42c56ce938186d0d67d41e14d
Markdowneefb29d3f4d4889a26938777706d31c9b90a7317ac1bdcc1e9a671b601344780
PDF
Publication page9583f62bc4cfb9747d73f60e2939849d466cd1390cc3cfb286c9179a6bbfd33f
Manifest5c1a66966f6a0ac79d8fe63f700648b6a5ae0a793e2be41013a5ada57f7483e3

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
SignatureGbwevJ1R+TH/89f5OUzvhcB/ZY1JdVqdQstAcU54gJUOqJ2wXbh7/to4DqtXlsH3ThffP2ivyh8KoiA8bmq0CA==
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

2026-09-17T09:46:22.190278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090285
observed 9583f62bc4cfb9747d73f60e2939849d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:22.172758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090285/manifest.json
observed 5c1a66966f6a0ac79d8fe63f700648b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:22.156802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090285/publication.md
observed eefb29d3f4d4889a26938777706d31c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:22.140198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090285/publication.txt
observed 1ed6cce20964515b56ee20c699d22256...
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.