OpenTechnical

OT-2026-000012261

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000012261) never changes.

Identity and time

Publication numberOT-2026-000012261 · never reused
Internal UUID01a0ae6d-39f5-7880-b947-a8ad4b32710b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012261
StatusPUBLIC

Content hashes

Canonical text3c64dc5bd82b387fe1955727ea5aabdb3679517c55e79a9a54ead83eda0f9ff3
Markdownf382eabb4665fd63c93298b34a32e331957b0107b3ad2c94861af9f31c5955e9
PDF
Publication page76711f513dfc6956a6c40550c44b2f5ac751303bc62fbcbb59154cb02c4c99c0
Manifest42f6794bfc7bc7fbe5dc8588ee61eeb65c8a2aa06cf2c98473c2253ea3015361

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
SignaturemJVS2JEYkPx796EGQXI/Jrzey/RFSY3ZbEbizDpQ02y6HoBaE6lxnQccneW1dUnpJPQP/BhRNS2xOonTyD2NBA==
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

2026-09-17T12:11:11.598851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012261
observed 76711f513dfc6956a6c40550c44b2f5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:11.579916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012261/manifest.json
observed 42f6794bfc7bc7fbe5dc8588ee61eeb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:11.560649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012261/publication.md
observed f382eabb4665fd63c93298b34a32e331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:11.540095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012261/publication.txt
observed 3c64dc5bd82b387fe1955727ea5aabdb...
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.