OpenTechnical

OT-2026-000023658

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000023658) never changes.

Identity and time

Publication numberOT-2026-000023658 · never reused
Internal UUID01a0ae70-aed4-7667-992b-cd83cd8444b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023658
StatusPUBLIC

Content hashes

Canonical text9494e46e777f89756cdf0dac2871f7837b572902f0513521782f56cd5a7a3432
Markdown2cf5021fe50510fe9ba509991bbc03a9bf1197303a04dd88a2d34118104e3e6a
PDF
Publication pageeadfd87f6f2221fb09966ae56335ea02d74342f15a7c202ce6b2ba0452982efe
Manifest00badf9f1fcc7e403fbf241185acef9fd71c1a173589c5a07fee8f1cd701f14d

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
Signature9ZRt80keaDvuXqo2b68rKIBkLKA4AonvakB8eGKV26QKEwzRSmIus18GNnKfDOt4jCxAulPNcy6SPwRb5ta4Ag==
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

2026-09-17T11:49:58.390511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023658
observed eadfd87f6f2221fb09966ae56335ea02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:58.372670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023658/manifest.json
observed 00badf9f1fcc7e403fbf241185acef9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:58.355669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023658/publication.md
observed 2cf5021fe50510fe9ba509991bbc03a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:58.337621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023658/publication.txt
observed 9494e46e777f89756cdf0dac2871f783...
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.