OpenTechnical

OT-2026-000006496

Publication integrity record

Vacuum cup gripper, two zone face, two stage ejector, contact triggered, vented 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-2026-000006496) never changes.

Identity and time

Publication numberOT-2026-000006496 · never reused
Internal UUID01a0a95d-436c-7140-86cd-cf1652b97dd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:37:36.751333Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006496
StatusPUBLIC

Content hashes

Canonical text6976d7c21008701a4967a97f251979ef01d256ac71c6cc930d9838d421730a20
Markdownfac4479769411ac95eabf7ffa8be2f33bcd199caa735e681b7bd7db0cb81a70e
PDF
Publication pageb7120683433777e54e63d6abaca267b8c1ad21f484f35a574705cda3085e3d99
Manifest5766a8b02a91c6e194f6acdff5a0545a63d54be741e373570b552e1f2a21447d

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
SignaturerSroX8Jn8yr4Q0lWg1qzYMjFS7KnNsxUirCEpTyqjWdQb/El+noS1M4uLu2+KYWCabD/73Qj9Cnsvk53q0ChCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:10.962392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006496
observed b7120683433777e54e63d6abaca267b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:10.948463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006496/manifest.json
observed 5766a8b02a91c6e194f6acdff5a0545a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:10.929460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006496/publication.md
observed fac4479769411ac95eabf7ffa8be2f33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:10.913318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006496/publication.txt
observed 6976d7c21008701a4967a97f251979ef...
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.