OpenTechnical

OT-2026-000012644

Publication integrity record

Six bellows 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-2026-000012644) never changes.

Identity and time

Publication numberOT-2026-000012644 · never reused
Internal UUID01a0ae6d-5561-7dc6-b176-8d7845ad0157 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012644
StatusPUBLIC

Content hashes

Canonical text930b9632bcd21d8704d44bd51ca9880d712eb6f55806ebfb8046e2e7e44bd66d
Markdown7710da3938ac96c3a984c791e1810124090fdc2f9bc2fa7ad9661330ab742c0c
PDF
Publication pageaf4a20fd6417ea96d7986708d0ecd8fa6afc5ba53325db3a77a28d1eeee8d2e5
Manifestcdd36ab424ce04bbaa945d0ad6fdec72d6ef8a601dc42cbb76783ec2b5413c79

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
SignatureiAbZceZxLq1fLGPf5g2mlOQlrFh0prvRSV6A5IWnlPD6n1XknFOrlPG8KVW63xQ39/Ufs8Qbd/Qs+gC1mIL9Dw==
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

2026-09-17T12:10:10.061365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012644
observed af4a20fd6417ea96d7986708d0ecd8fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:10.042684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012644/manifest.json
observed cdd36ab424ce04bbaa945d0ad6fdec72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:09.985886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012644/publication.md
observed 7710da3938ac96c3a984c791e1810124...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:09.930909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012644/publication.txt
observed 930b9632bcd21d8704d44bd51ca9880d...
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.