OpenTechnical

OT-2026-000013371

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000013371) never changes.

Identity and time

Publication numberOT-2026-000013371 · never reused
Internal UUID01a0ae6d-6fca-7b80-884a-9b4a817e6a28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013371
StatusPUBLIC

Content hashes

Canonical textbbd5926a4e3a2422a5d6992a3fd8af5c74437531f29a4bc9725d1c33fdf9d62c
Markdownf9461bbb71f38b143d10cc802356dd9185116aeb420a34cff3ae8b21763944a2
PDF
Publication page96a483c303ccf16961e9cf0c10fc08440e8865434a12b1f3945380a713790ec0
Manifest8fbab8c6312779513ae758ab808d0c7f42ac896d611ac09b44b33fea38dd66e3

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
SignatureYB8FEFmuIZk1jtc4/RY1CZTxUqHPpaAeX1oQJmhKJdHKyt1Ec8VZt+RJQnNPgNcWrQpW9Ea8yvC12fhsLwPhBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:49.976991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013371
observed 96a483c303ccf16961e9cf0c10fc0844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:49.956429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013371/manifest.json
observed 8fbab8c6312779513ae758ab808d0c7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:49.931432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013371/publication.md
observed f9461bbb71f38b143d10cc802356dd91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:49.910666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013371/publication.txt
observed bbd5926a4e3a2422a5d6992a3fd8af5c...
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.