OpenTechnical

OT-2026-000058052

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, sustained blow-off after set-down, on a tool changer

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-2026-000058052) never changes.

Identity and time

Publication numberOT-2026-000058052 · never reused
Internal UUID01a0ae88-6eda-70f3-957e-e075e104e36d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058052
StatusPUBLIC

Content hashes

Canonical textbecf9621a8354c8bcf6b3b7f124e5013c34cd8825d85a41eea6345b517a7d3a5
Markdownf085948a2b1e42997e67ed007c80292a18fef1af248b404d77731bdc067b82d3
PDF
Publication pagef318b4ab7b4ba467bfe7c44d0643d720bba2d9ef426e36fe6f3257cd966633e4
Manifest3e915ce798b2298129c656eeefc8d63c89abe6668622370948c873eb533f9849

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
SignatureA3ua1yuqSmiRCxaMCOXu8fs4tNUwnoxoYSYCSA2Q+UqbLcKwulP+lNrSdf3UmFWfWlTTi2+4brlzhPYOgMZ8DQ==
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

2026-09-17T10:47:42.170622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058052
observed f318b4ab7b4ba467bfe7c44d0643d720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:42.151847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058052/manifest.json
observed 3e915ce798b2298129c656eeefc8d63c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:42.132958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058052/publication.md
observed f085948a2b1e42997e67ed007c80292a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:42.114434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058052/publication.txt
observed becf9621a8354c8bcf6b3b7f124e5013...
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.