OpenTechnical

OT-2026-000069351

Publication integrity record

Four cup vacuum gripper, four zone face, four 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-2026-000069351) never changes.

Identity and time

Publication numberOT-2026-000069351 · never reused
Internal UUID01a0ae90-b529-7f22-b76f-fbc2ce615c83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069351
StatusPUBLIC

Content hashes

Canonical text06dec6f26a65440c035ac114365af979c044f2e4f6d2694846c4e3d7778c53ee
Markdowndbdb692d32e0b5f0440a48378aeb2fefdfad69c256b46a3a442392ff0a2dcc4b
PDF
Publication page3a013b5920673f4ab6b4265639951dcf14d2aba53359ebb30abe3bf42a015737
Manifest912c143f552e6e2c23148c7b578344ab5c0ceca27b43f9b3e1e32dfacdf7e2df

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
Signature+jm0p/wpY3K1Q9cqc4T2wKLnNrrut0/j9HoXdPIeqds1V20lmzGp4ZZ3rlQ0B8Lht02n5ym/IOc0x+MSnB3rDA==
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

2026-09-17T10:30:15.556548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069351
observed 3a013b5920673f4ab6b4265639951dcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.538807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069351/manifest.json
observed 912c143f552e6e2c23148c7b578344ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.518507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069351/publication.md
observed dbdb692d32e0b5f0440a48378aeb2fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.500122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069351/publication.txt
observed 06dec6f26a65440c035ac114365af979...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.481115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069351
observed 3a013b5920673f4ab6b4265639951dcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.463403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069351/manifest.json
observed 912c143f552e6e2c23148c7b578344ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.443305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069351/publication.md
observed dbdb692d32e0b5f0440a48378aeb2fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.424644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069351/publication.txt
observed 06dec6f26a65440c035ac114365af979...
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.