OpenTechnical

OT-2026-000048811

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000048811) never changes.

Identity and time

Publication numberOT-2026-000048811 · never reused
Internal UUID01a0ae80-c32d-748a-858b-31d62691a547 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048811
StatusPUBLIC

Content hashes

Canonical textbef69d7aa52033d5b879ee4448e72feb20aeb68686abd9dfe5a87664277160f7
Markdown8e2449f7c8ca869a23967b7324bd717b36e6327ff82a17413df999e7a4989773
PDF
Publication page915cb682dd8db95c37cbc62b960c5c80050f17d94cf1098f2791df6a5c33bb37
Manifest01e23292719acbcaae1dab34ae7df7a8caa6a4adcf57c97de945c3ce13963663

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
Signature11j5ure6qTGmsENjkyrESJu2X0ntjuqBK3KoMYD4X0A+6EWKwyEZeAzyPSsXfRdLiaZ1IXjy9mhGPkYq88ELCg==
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

2026-09-17T11:04:32.076682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048811
observed 915cb682dd8db95c37cbc62b960c5c80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:32.052257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048811/manifest.json
observed 01e23292719acbcaae1dab34ae7df7a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:32.028129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048811/publication.md
observed 8e2449f7c8ca869a23967b7324bd717b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:32.005865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048811/publication.txt
observed bef69d7aa52033d5b879ee4448e72feb...
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.