OpenTechnical

OT-2026-000041419

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold 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-2026-000041419) never changes.

Identity and time

Publication numberOT-2026-000041419 · never reused
Internal UUID01a0ae79-b145-7dbb-ab72-4f9a96ce9e8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041419
StatusPUBLIC

Content hashes

Canonical textdf70369c396666add910cc2caad338f5c4edf97fe46d0893c50b4658d454f32e
Markdown36663e2bea157aab8e219d722931d3b9043037d5cf9784c1dca0bf0a4bc20b22
PDF
Publication page3c0b668577f8db81a6f1eb79eb529d1e22af447bc21bdd2f6144868c5e2384c9
Manifest64492e951c9454fb19ee1b35fa76c61205469feab328a55440370d10b47cee52

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
SignaturekeJMJa0L0p35d7gUaQNcH08drR06GM8ydDFfTUDXtwGrrjNPK4zjizVed7aSLhoTrDA8ZcRRkn9deQu2MNcYAg==
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

2026-09-17T11:17:26.156713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041419
observed 3c0b668577f8db81a6f1eb79eb529d1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:26.139445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041419/manifest.json
observed 64492e951c9454fb19ee1b35fa76c612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:26.120527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041419/publication.md
observed 36663e2bea157aab8e219d722931d3b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:26.102555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041419/publication.txt
observed df70369c396666add910cc2caad338f5...
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.