OpenTechnical

OT-2026-000020782

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000020782) never changes.

Identity and time

Publication numberOT-2026-000020782 · never reused
Internal UUID01a0ae6f-65e3-7956-8ad1-00fad3edc5f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020782
StatusPUBLIC

Content hashes

Canonical text3c33564ef81c48dd53327f275b710cb425b004ecd2c1342b74b1e201a6d222d9
Markdown713ff4911adf52529a9a080d4d57befda01cea3922bfb71e5e7fe90a11d4ee84
PDF
Publication page037cdc42d2aaa5c9ab044fc4292c3e9d788161fa05afad7b470b5c0919a4db30
Manifesta7ca1ec7ace010ded41a96d4e3935e751882ec9348c668e4d87a34245d57f06a

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
SignaturemO0IgZBPn4N/2SNDufjXeeqmW6Q+6qa/calBqoeN8idp0OE61+7BmbRWCazKoqpMHt5rSk7ik/GEPyW3ftG6Ag==
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

2026-09-17T11:55:51.682161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020782
observed 037cdc42d2aaa5c9ab044fc4292c3e9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:51.665381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020782/manifest.json
observed a7ca1ec7ace010ded41a96d4e3935e75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:51.648242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020782/publication.md
observed 713ff4911adf52529a9a080d4d57befd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:51.630089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020782/publication.txt
observed 3c33564ef81c48dd53327f275b710cb4...
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.