OpenTechnical

OT-2026-000018008

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000018008) never changes.

Identity and time

Publication numberOT-2026-000018008 · never reused
Internal UUID01a0ae6e-96fc-77e6-a600-7c0a337224cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018008
StatusPUBLIC

Content hashes

Canonical textc249ccd394096fcb6c988c46407d4bf80a755f02a22d6e2819a9c3617396a8e1
Markdown39630ffb2ccbbe37f8613ed06a37203158ac649ec8449bc8cad556983422751b
PDF
Publication page0ed5f60f5392a35285dbd52cfefd36552d7b2a769304995e412c21237b382af2
Manifestcd21d13caf6ec64551be543b462eeda248b535594db3725ba700e80b56d0ae6d

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
SignatureA6xo0d6cORDlllfy/v2ahQ3lYS+QhRgTLwHztKwOlI5VU4mXwmMKfwnFmUQ3LdHp9fVitXXa8FKelZeE5dqtAw==
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

2026-09-17T12:02:01.849911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018008
observed 0ed5f60f5392a35285dbd52cfefd3655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:01.832257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018008/manifest.json
observed cd21d13caf6ec64551be543b462eeda2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:01.815376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018008/publication.md
observed 39630ffb2ccbbe37f8613ed06a372031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:01.798046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018008/publication.txt
observed c249ccd394096fcb6c988c46407d4bf8...
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.