OpenTechnical

OT-2026-000087410

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, supply line 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-2026-000087410) never changes.

Identity and time

Publication numberOT-2026-000087410 · never reused
Internal UUID01a0ae9a-cd50-7be3-92a7-42072ddda2bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087410
StatusPUBLIC

Content hashes

Canonical text37428db236e506c04b0ebbaa7c2acab8138ba972fae940cd2fe2a825a64a1f08
Markdowneff46a56b0b98f4fac805ee577d5beb96daeda1c9d5f26c1c7b381f6fb367c4b
PDF
Publication page3164b0b843ac7de51ab6e5b0bc9d7d5827eb79e0ef95395baf24664e4a57e4d3
Manifesta3cf88a85a6e8a653ecfc1a567e5921a6ce47b1c1ef74af3af82a0c29c8e6173

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
Signatureb4hPhR+jH24nPaXXjjqPwzM3OMqDfUo5IlE+K3LqyehgXrLFbX9YIq8ezbrtVzMxnL9AU03k6a20n7COAEioCA==
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

2026-09-17T09:50:43.574321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087410
observed 3164b0b843ac7de51ab6e5b0bc9d7d58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:43.556419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087410/manifest.json
observed a3cf88a85a6e8a653ecfc1a567e5921a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:43.538322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087410/publication.md
observed eff46a56b0b98f4fac805ee577d5beb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:43.521344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087410/publication.txt
observed 37428db236e506c04b0ebbaa7c2acab8...
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.