OpenTechnical

OT-2026-000049975

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single 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-2026-000049975) never changes.

Identity and time

Publication numberOT-2026-000049975 · never reused
Internal UUID01a0ae81-fd77-712f-98c5-fb31438e1b05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049975
StatusPUBLIC

Content hashes

Canonical text26100012ed6b5ff1b605f29ad165184e2389afbfde2a794549e31eb9fa1a409b
Markdown443723e710ce934524775aba53230dd3ecb55255a2af01b1b73626492c2e38ca
PDF
Publication page9c150ff9f795c34a4e79459942376756b1ef5abe17cdc1978b0acea1eb6e623c
Manifest27d444c17bad8e06141df5c180107d71721e709a32fab63c905f11c083d827e5

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
SignaturejjS83QfwjlE6P9t4Ib0SUr6qBgVDrljVwP7k3GdQ734R/u2v0HmUeyX6BWERMkpRbrwqpyfRAlh7KWiCevVCAg==
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

2026-09-17T11:01:55.484697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049975
observed 9c150ff9f795c34a4e79459942376756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:55.464779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049975/manifest.json
observed 27d444c17bad8e06141df5c180107d71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:55.444935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049975/publication.md
observed 443723e710ce934524775aba53230dd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:55.425500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049975/publication.txt
observed 26100012ed6b5ff1b605f29ad165184e...
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.