OpenTechnical

OT-2026-000022525

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, sustained blow-off 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-2026-000022525) never changes.

Identity and time

Publication numberOT-2026-000022525 · never reused
Internal UUID01a0ae6f-f4fe-7cf6-aa84-bd0ab2d3e356 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022525
StatusPUBLIC

Content hashes

Canonical text2eda407fb1185b6f1b53d480df342416706b43e33a5cde79f2c33230ae219bcf
Markdowna3e70547e5e42c1c2ca26bf2f59b65ae9ec4be883cdca7d81463026d1f846d51
PDF
Publication page4eb90eca6e21e0d9bcbb3d2e8f68cb32b6d5f6095694af4c47ece38f0153b7bd
Manifeste28232652cf16d5d1790801c85bae38b89b3b26ca39b5b26bab4764cd8ca361b

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
SignatureBeEBHF3ZjUAEaCCkNnz5fTx3e3glrZifObHIJZPR8U8T10AneycjNFv7DqAX1KvuQS+mAlWKilgoXOjlKtkZAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:53:57.411956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022525
observed 4eb90eca6e21e0d9bcbb3d2e8f68cb32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:57.394715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022525/manifest.json
observed e28232652cf16d5d1790801c85bae38b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:57.376738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022525/publication.md
observed a3e70547e5e42c1c2ca26bf2f59b65ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:57.358815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022525/publication.txt
observed 2eda407fb1185b6f1b53d480df342416...
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.