OpenTechnical

OT-2026-000067189

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, vented after 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-2026-000067189) never changes.

Identity and time

Publication numberOT-2026-000067189 · never reused
Internal UUID01a0ae8f-14ff-7370-afb6-3f494c977a72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067189
StatusPUBLIC

Content hashes

Canonical textf386b7e37a26254d25da8ebbbd2b441f8b7ac009ff2586fda9cbeeaa7c9198f3
Markdown715f2204b0923a1073ac94a1615bb5dc82ab9547cb74700385d7992d8fb00b16
PDF
Publication pagefd08d54e3c2d8d84bf9dd1a418843989f772800cc9145d7c905fd9b984766276
Manifest859ee33d03224cec16a1c9d8f9fd2a7f0b0aa38577dea6fab76316be2137031a

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
SignatureQctY0B4wFgTeu7/lEzxGr2ddJZG32AtNoT6yGT0eiDLylbcoP5pRsA1Fw5fPYDgRuU6w3SIhHBV8nbGvxehHCQ==
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

2026-09-17T10:32:28.453208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067189
observed fd08d54e3c2d8d84bf9dd1a418843989...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.437280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067189/manifest.json
observed 859ee33d03224cec16a1c9d8f9fd2a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.420894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067189/publication.md
observed 715f2204b0923a1073ac94a1615bb5dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:28.406281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067189/publication.txt
observed f386b7e37a26254d25da8ebbbd2b441f...
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.