OpenTechnical

OT-2026-000087053

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, 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-2026-000087053) never changes.

Identity and time

Publication numberOT-2026-000087053 · never reused
Internal UUID01a0ae9a-9f2d-7e66-b066-40f8a50daa7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087053
StatusPUBLIC

Content hashes

Canonical text47a63200daebda58ed9b4a4a379f420b6b2371d392a0014ab93627d6896f8c45
Markdowne768ddabeb972e501ae06a83d008fe6bf875da29c9489e118370f52a0355686e
PDF
Publication page34c7c49a632a01ec6bc95a2e56ce17b3f688899f1cb1603b8bd4cbb4bb61650b
Manifest38299100084b6f6270ea0b7bf01855715e4e3b06ed2697b81b7741ee4ce28569

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
Signaturekdwf/WirK25NoVkSMD4wrpw+bB5yTDUVZOKDdz16HwvuuifXJu5yC618qR7RItK/HFmPERvKh5UKZkzNGh0cCg==
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

2026-09-17T09:51:18.019584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087053
observed 34c7c49a632a01ec6bc95a2e56ce17b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:18.003078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087053/manifest.json
observed 38299100084b6f6270ea0b7bf0185571...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:17.978459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087053/publication.md
observed e768ddabeb972e501ae06a83d008fe6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:17.960599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087053/publication.txt
observed 47a63200daebda58ed9b4a4a379f420b...
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.