OpenTechnical

OT-2026-000052195

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000052195) never changes.

Identity and time

Publication numberOT-2026-000052195 · never reused
Internal UUID01a0ae83-e790-76e2-aa4e-987b72aa7cad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052195
StatusPUBLIC

Content hashes

Canonical textf471c75b8bfe5bff3e38e673e4b4e8d6e2cdbc577943390e36082b87c1ab8094
Markdown001c87e8be61f2c336d76adbfbe9c801e3df3235c6e057e72ece8f5dfc55b5b7
PDF
Publication page16933a76ea86bafc8052240b78ee4f2fe9b2d651dc391cf0594ecca5a881a71d
Manifestc14580392ad859fb5663beb4da9e9c31608091a9921e06d5fe0e15e23c8d8dc0

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
SignatureifJBSKsFblWNv3pdOEn0grhlqMOnJJnMAei72eMpiTNJr+FuY4NJp5bIkYwYvQn3jS9q7/I4tqazNTgVWMp2Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:45.651380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052195
observed 16933a76ea86bafc8052240b78ee4f2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:45.615730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052195/manifest.json
observed c14580392ad859fb5663beb4da9e9c31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:45.596213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052195/publication.md
observed 001c87e8be61f2c336d76adbfbe9c801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:45.562464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052195/publication.txt
observed f471c75b8bfe5bff3e38e673e4b4e8d6...
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.