OpenTechnical

OT-2026-000059572

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000059572) never changes.

Identity and time

Publication numberOT-2026-000059572 · never reused
Internal UUID01a0ae89-ec23-7deb-90c7-d64d26f72ba0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059572
StatusPUBLIC

Content hashes

Canonical textd05d63a780189ea1a6a39f78f7d0fc93b2eaeb42bd69f0958623ab5194ab2ac4
Markdownaf0ac81515b078fb36c0c825991f9b64223779e58e976c3211536d9c059bdf18
PDF
Publication page1f8faa11c9fc2f7783cfda1d93c2445b973674ccfb83b9a5371dbbc803ba98f6
Manifest263e3247fcfa85f006b623c68432be9560a2d5e231d76b070d49178787a3eed1

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
SignatureuB/yvfcEAVhhUWi1NYJCjIyConkWOBjEPdz3hWc+ecA8PmQKIZPcecRHIvq/yaRX5ekzs3aQ/qT3VxcTGGSPCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:12.825002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059572
observed 1f8faa11c9fc2f7783cfda1d93c2445b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:12.807214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059572/manifest.json
observed 263e3247fcfa85f006b623c68432be95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:12.788444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059572/publication.md
observed af0ac81515b078fb36c0c825991f9b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:12.771561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059572/publication.txt
observed d05d63a780189ea1a6a39f78f7d0fc93...
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.