OpenTechnical

OT-2026-000068243

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, 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-2026-000068243) never changes.

Identity and time

Publication numberOT-2026-000068243 · never reused
Internal UUID01a0ae90-247f-78fe-94ef-8135956d1810 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068243
StatusPUBLIC

Content hashes

Canonical text0758e79e3ea4a63f2b4ac8294225d640011dac1d8a56510de1205cebe6a1e607
Markdown55c63258afe539caac44cb3b4e70fb741b40cb6c679af485ec0c25365e7d8991
PDF
Publication pagea1512ff7b2a70b3b2d8ba2c55aad061cb98cc3dc060693ef9673dfc4ffe13c36
Manifest93bed139eb08fd8c690e00a7cd4261a5bea6089fc902d30e8b3c8acc792b218d

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
SignatureiWwvBQcSyjJB4tVFWMQSsYfi753lB0hUbcU72G2yvfYZgM6qZuzZ3ocsHsfHzfd5xkrql0RXrmbJ7nKjypmvBQ==
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

2026-09-17T10:29:15.741774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068243
observed a1512ff7b2a70b3b2d8ba2c55aad061c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:15.720103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068243/manifest.json
observed 93bed139eb08fd8c690e00a7cd4261a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:15.700182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068243/publication.md
observed 55c63258afe539caac44cb3b4e70fb74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:15.682585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068243/publication.txt
observed 0758e79e3ea4a63f2b4ac8294225d640...
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.