OpenTechnical

OT-2026-000061220

Publication integrity record

Single bellows cup vacuum gripper, single 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-2026-000061220) never changes.

Identity and time

Publication numberOT-2026-000061220 · never reused
Internal UUID01a0ae8b-1381-7656-9519-dc619f17a4de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061220
StatusPUBLIC

Content hashes

Canonical text9322464bc0c211ee334ff04fd3c55e9a2395ce80dfe4bb30585024ce3852205a
Markdown422a8881a135df1aa804f8ee36cf5a2fb6e4df53c794346f8abde96c0fe27fdd
PDF
Publication page55591069d4cfe044e898211c34a5ebaecf337ac68036aaff0d3d92f5e09229e2
Manifest77ae2cedce2e64e05823fd60bb171b68f681fc5c7919e3376acd8a79b14781bc

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
Signature/GK4CqGrsWEESY7Co8DkOYSJzlLkVUNMucdmnDZzbFIc0wqy7OYM5L1kuemwDO1oe2H91YrrSUbCGG7QUJL1Dw==
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

2026-09-17T10:42:37.506041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061220
observed 55591069d4cfe044e898211c34a5ebae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:37.488738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061220/manifest.json
observed 77ae2cedce2e64e05823fd60bb171b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:37.457256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061220/publication.md
observed 422a8881a135df1aa804f8ee36cf5a2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:37.426657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061220/publication.txt
observed 9322464bc0c211ee334ff04fd3c55e9a...
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.