OpenTechnical

OT-2026-000078813

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000078813) never changes.

Identity and time

Publication numberOT-2026-000078813 · never reused
Internal UUID01a0ae95-ccbd-7c31-8a75-59639f54e02a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078813
StatusPUBLIC

Content hashes

Canonical textb2e3ad0c499ce14121784da725f396c598c601beef87d02d6df3bf77842e2951
Markdown2d190adb038ba28604d911256997849564293515be85a4b9849f3faf21fde765
PDF
Publication page28287b85b9de447e13e13dfa92cf60d6c9b5eed21bef584c5f6f66418f3d4802
Manifest6e88db591ff95fe9da8968ccc62f52c1c4ef83b881f0ddf192c61c37cffe6a89

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
SignaturetGkCf3Ihth9YPzbdgBRCFTsyWP6MHaosHzJZfjSnM3vUsW0A88JloL4juasLpM6DcrgLoljXQpywfFi/FC0kAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:36.356700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078813
observed 28287b85b9de447e13e13dfa92cf60d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:36.338215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078813/manifest.json
observed 6e88db591ff95fe9da8968ccc62f52c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:36.318692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078813/publication.md
observed 2d190adb038ba28604d9112569978495...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:36.296907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078813/publication.txt
observed b2e3ad0c499ce14121784da725f396c5...
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.