OpenTechnical

OT-2026-000012832

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000012832) never changes.

Identity and time

Publication numberOT-2026-000012832 · never reused
Internal UUID01a0ae6d-5563-7cb4-8509-0f1e472d16f3 · 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-2026-000012832
StatusPUBLIC

Content hashes

Canonical text073a9a6f854b218b882f2b03f4e4bd051d938eea29703fdda66d327df060737f
Markdownf1836982028d7971ca00970a3d063f5274ec2a6610cda727d5bf345458dd6be9
PDF
Publication page1c29751bf4129b06600cbe33b747c5e94edf6c4209d081acf632dc46b61e8ebd
Manifestec8dac17b33b42fa6f57d92206df3d2d7d1318135585c14eb8d3c1154a656022

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
SignaturetDz1GyWsvLJA3psTKJN1CW8hNr+Tmr9fy17REaWctMl8haIuF91AqRu+lCMVhzrcXY6m5vb/ZV6lo6ns+dU1BA==
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

2026-09-17T12:10:35.737142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012832
observed 1c29751bf4129b06600cbe33b747c5e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:35.467258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012832/manifest.json
observed ec8dac17b33b42fa6f57d92206df3d2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:35.443887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012832/publication.md
observed f1836982028d7971ca00970a3d063f52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:35.420495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012832/publication.txt
observed 073a9a6f854b218b882f2b03f4e4bd05...
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.