OpenTechnical

OT-2026-000058140

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000058140) never changes.

Identity and time

Publication numberOT-2026-000058140 · never reused
Internal UUID01a0ae88-6edb-71bb-84fe-55eab11c3b4e · 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-2026-000058140
StatusPUBLIC

Content hashes

Canonical textc0305a8d5f710333d246c26086b5e491a1e20fd3c3d814a333f785a7edac28e5
Markdown113d4a89c890c5e22fbc9624d79bd491c11b9438ff1691da53e88f3fb8e97e8b
PDF
Publication page07403b526a3aee4b39cf4f666da9a5c5159c7aa737d6aa605d20099e9766e8ff
Manifest9ce233f593cb4b58bf7e9190a25b08af0cef16e30a6030068fdb47e3c82f4a3c

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
SignaturendIKKOEWdPgRuJ52wuWlRBdPHQsa2gKH7RdPYFYS5o9/bsgxM0CcuyjRfVxFSPPZOqqW1Dba2bZg2ZZ5IYS+DQ==
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

2026-09-17T10:47:49.412084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058140
observed 07403b526a3aee4b39cf4f666da9a5c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:49.395573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058140/manifest.json
observed 9ce233f593cb4b58bf7e9190a25b08af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:49.377450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058140/publication.md
observed 113d4a89c890c5e22fbc9624d79bd491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:49.358382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058140/publication.txt
observed c0305a8d5f710333d246c26086b5e491...
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.