OpenTechnical

OT-2026-000039656

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two 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-2026-000039656) never changes.

Identity and time

Publication numberOT-2026-000039656 · never reused
Internal UUID01a0ae78-d8d4-74d4-b443-6f26be4cfff8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039656
StatusPUBLIC

Content hashes

Canonical text8871b9d8be70392860c531b34e36a5fbf12d68bd78095a43607aefeeb89b640e
Markdown401ed6ea65bdbf5df1175512fc821b29e4cb2a805a3eb2e1832dc3a9747b0ef2
PDF
Publication pagecbfc2dd33c35ac314ef880969ebf9adbbf633a08f2f56cf4e852e408a22a8ed5
Manifestdea3e4e1c0034ffaf908be98ae8f2a24cd63e240b1dc6d3a5576ab09a7cb7a50

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
Signaturezm0JOoAqu26iDovlNX583wyNguLf2m4dxuI0ZYgYw7EBNaVtNlNEYO80eJI/GDfX8/STy+4A3891mZUbWpbDDg==
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

2026-09-17T11:19:50.189849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039656
observed cbfc2dd33c35ac314ef880969ebf9adb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:50.138535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039656/manifest.json
observed dea3e4e1c0034ffaf908be98ae8f2a24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:50.117608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039656/publication.md
observed 401ed6ea65bdbf5df1175512fc821b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:50.095186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039656/publication.txt
observed 8871b9d8be70392860c531b34e36a5fb...
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.