OpenTechnical

OT-2026-000026019

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000026019) never changes.

Identity and time

Publication numberOT-2026-000026019 · never reused
Internal UUID01a0ae71-a83f-7032-ace5-b03de885ee15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026019
StatusPUBLIC

Content hashes

Canonical textd7429026e996907c4d308dc317cfcd70cec92fcf43c3afa51401e2322032a6c1
Markdownf94a0a5772899166ed6124b5f7d1620cbe93f501ef19342932d8e1fd27bdd4a7
PDF
Publication pagedf8553fb1250e464c1fe4fffd4942f6527d40e4dcd7947fa227839ff03414c83
Manifest2fa0db8153ab991edf2f28582cfa27d6f4edda22f5cae621a44ba872d30de046

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
SignaturedH6/7Lh4hASxCDTgQk1DlAaCRG/5cJ02YoAxejL76MvpBfpEGY34ilSmvg5CDVAWda2vwTpIwE8ycz3UTVVUDA==
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

2026-09-17T11:46:24.178201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026019
observed df8553fb1250e464c1fe4fffd4942f65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.160651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026019/manifest.json
observed 2fa0db8153ab991edf2f28582cfa27d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.142529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026019/publication.md
observed f94a0a5772899166ed6124b5f7d1620c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:24.125683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026019/publication.txt
observed d7429026e996907c4d308dc317cfcd70...
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.