OpenTechnical

OT-2026-000074675

Publication integrity record

Three cup vacuum gripper, three zone face, four 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-2026-000074675) never changes.

Identity and time

Publication numberOT-2026-000074675 · never reused
Internal UUID01a0ae93-ac2b-713e-ac98-cc00c730fa76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074675
StatusPUBLIC

Content hashes

Canonical text4d8b14020f1ee9be15cd364da3d965b4acc5f10ca72e9b3bb0f1764b44d8cbcf
Markdown7e6763d1e065d52f2088e96439fd02bb9ba36f9320d4b6257603c28ef268853a
PDF
Publication page1e79a34b55f4a947b03b49d25069c7e24791b94ace3ddac5fe733e8cb85b2824
Manifest77f2be9a27e65c5c539e9d279b5295414c1293d73211cb43370a8d52d30a18f0

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
SignaturexM8ZLUkbwhJu6Ycwbx+9M0b8n4vdiKRcR2TRMX89WAcVLIKbLQIkGfM4c1hvO6zSsJM+S3XWQN5CcyJAdiGfBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:15.478996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074675
observed 1e79a34b55f4a947b03b49d25069c7e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:15.462143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074675/manifest.json
observed 77f2be9a27e65c5c539e9d279b529541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:15.443912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074675/publication.md
observed 7e6763d1e065d52f2088e96439fd02bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:15.424760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074675/publication.txt
observed 4d8b14020f1ee9be15cd364da3d965b4...
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.