OpenTechnical

OT-2026-000026217

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000026217) never changes.

Identity and time

Publication numberOT-2026-000026217 · never reused
Internal UUID01a0ae71-a841-7d71-9227-4dc0c94105a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026217
StatusPUBLIC

Content hashes

Canonical textee92132236164f097ffc52e7349c6488041682b0ce0c465c650e9ef3300dcc8d
Markdown9148605defdd4f3b0bebf6ba91bfa7ac03105abd461d92913fd1ddfbe87edcc3
PDF
Publication page314e6a95106fa985c590e7869e98dcbfbde617c8b4e8eaa427b4932fe79ee4d1
Manifestbf4b6cb7c57a5b4627bcaac0855104585bd195956a302c117556792ec03c7dbd

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
SignaturehsUPWb7JPmhHunKkZ8ORwgfskDTG9xsg9WDao+efRRfUM7nynnFV36ca7jilwWMLdVO8jBOhgRCRzL1b7mc3BQ==
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

2026-09-17T11:46:44.804631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026217
observed 314e6a95106fa985c590e7869e98dcbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:44.786869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026217/manifest.json
observed bf4b6cb7c57a5b4627bcaac085510458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:44.768155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026217/publication.md
observed 9148605defdd4f3b0bebf6ba91bfa7ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:44.747772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026217/publication.txt
observed ee92132236164f097ffc52e7349c6488...
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.