OpenTechnical

OT-2026-000067616

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000067616) never changes.

Identity and time

Publication numberOT-2026-000067616 · never reused
Internal UUID01a0ae8f-6bda-7b77-9278-16dc34ff8eb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067616
StatusPUBLIC

Content hashes

Canonical texta5a9a02ae8d4c9e73ada5d3a888530c0ed989eeb2efe16a17f6f26d55fe1aa1b
Markdown7890de8df85b223ead35c45f524e472d71a17f5d731cb471f4f0105fa4d574c9
PDF
Publication page1e85a59954a12a3f022c44978410ad7f078fb061ca9bd25e37ebfff2f9e4dd64
Manifest81296b84d1f1a08c9ac5394610f496420750f0aede2d0c0145e905ec9fc8c31f

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
Signaturee6w95UdCd2dvFJftEmE+GhElzCD3bMV2MxcsAhppe+f060D1Bv6JAibUeOrZA2O2oTx3xXISE1l9tPU1u6LlAA==
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

2026-09-17T10:31:56.209595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067616
observed 1e85a59954a12a3f022c44978410ad7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:56.190624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067616/manifest.json
observed 81296b84d1f1a08c9ac5394610f49642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:56.173551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067616/publication.md
observed 7890de8df85b223ead35c45f524e472d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:56.156078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067616/publication.txt
observed a5a9a02ae8d4c9e73ada5d3a888530c0...
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.