OpenTechnical

OT-2026-000013633

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000013633) never changes.

Identity and time

Publication numberOT-2026-000013633 · never reused
Internal UUID01a0ae6d-8de8-79ff-8d75-9bf1c31dbb8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013633
StatusPUBLIC

Content hashes

Canonical textb548bd857ca6bc74799f2bdd6df1a8e75b3876acab8c9923a047a5132d8a30cc
Markdownc7bc3b9322b5b571a79c73b6704d4fe12c716675bc18c96381476926f9609d1b
PDF
Publication paged0f8d38eed36929cc368f2687a10e1516fb348a9647f788e6fa13dfb29ce6e34
Manifestfbcbf96cec66b5c36f2254f795d57fa8426c6d70a203344049c154676c36d20f

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
Signature7aMRWmJ2W+046VKXGzEhJiq9Bd/r6UzAGcrYSfyizewKuagS1d3wfviuHV+YpfNyyVzu2qxn0c6S4I4JgBstCA==
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

2026-09-17T12:10:33.014624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013633
observed d0f8d38eed36929cc368f2687a10e151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.994282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013633/manifest.json
observed fbcbf96cec66b5c36f2254f795d57fa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.976057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013633/publication.md
observed c7bc3b9322b5b571a79c73b6704d4fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:32.956531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013633/publication.txt
observed b548bd857ca6bc74799f2bdd6df1a8e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.047979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013633
observed d0f8d38eed36929cc368f2687a10e151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.027925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013633/manifest.json
observed fbcbf96cec66b5c36f2254f795d57fa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:34.009752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013633/publication.md
observed c7bc3b9322b5b571a79c73b6704d4fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:33.989886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013633/publication.txt
observed b548bd857ca6bc74799f2bdd6df1a8e7...
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.