OpenTechnical

OT-2026-000011971

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000011971) never changes.

Identity and time

Publication numberOT-2026-000011971 · never reused
Internal UUID01a0ae6d-1942-7de2-9fab-386795a7bef1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011971
StatusPUBLIC

Content hashes

Canonical text9ab8ebaf69116181cebad6570ee6850a09deb7cdf9bc9a23857961264db3c89a
Markdown3b99dd39bb2f71f857ecd21dc129b3aa73319d2f02228a95d1085a786dd9f9eb
PDF
Publication page37a07973189ade5e51ce56317bbfa93ea5d5aa9e115cd1b635a1f2ea2f49c0d2
Manifest1749819b0be67427a867af29d321997dbf155a35666fbddb0ac1f147fe436da4

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
Signature8a0KLoCVFB0o5zY1O+Xif3vFZbFU0ladRQwqyCHqzN/7VUDBoXAE62tPMl8aaBJo3pHAIh82Glcfalvg64noAg==
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

2026-09-17T12:12:49.521553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011971
observed 37a07973189ade5e51ce56317bbfa93e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:49.503543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011971/manifest.json
observed 1749819b0be67427a867af29d321997d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:49.484516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011971/publication.md
observed 3b99dd39bb2f71f857ecd21dc129b3aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:49.468153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011971/publication.txt
observed 9ab8ebaf69116181cebad6570ee6850a...
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.