OpenTechnical

OT-2026-000011240

Publication integrity record

Single cup vacuum gripper, single stage ejector, sustained 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-2026-000011240) never changes.

Identity and time

Publication numberOT-2026-000011240 · never reused
Internal UUID01a0ae6c-5410-75e3-b298-c0963f3154d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011240
StatusPUBLIC

Content hashes

Canonical text8a84cbbc39a2ef1eed6cd18f7789992993005fff4ba93c0374527aedb58d24d3
Markdowne13d03f27ac56c4fcdaaf170c2fcf6db8169db0e2bc06e7f1727f7751ff5f5bc
PDF
Publication page70ca0210b067581cf4845f06b0651baf15068d21821c7b8e048055998ea56fde
Manifestc06ffb417df0297cc15bb06f39084c374581ffa54e171741f5b565b741fbe406

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
Signature5BcAK7tv3607Y88zgAFIAk7XW+BfbwyG+fkWWQ8vci8hwMvzc68AYycpRSrtN5+Wj9LZQQ03/JvNKPzTgML0Cw==
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

2026-09-17T12:14:12.236670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011240
observed 70ca0210b067581cf4845f06b0651baf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:12.213211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011240/manifest.json
observed c06ffb417df0297cc15bb06f39084c37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:12.189922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011240/publication.md
observed e13d03f27ac56c4fcdaaf170c2fcf6db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:12.169583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011240/publication.txt
observed 8a84cbbc39a2ef1eed6cd18f77899929...
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.