OpenTechnical

OT-2026-000023265

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000023265) never changes.

Identity and time

Publication numberOT-2026-000023265 · never reused
Internal UUID01a0ae70-7267-794d-8ccb-23ee9fba60c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023265
StatusPUBLIC

Content hashes

Canonical text34aaa641097d347448f4c81dc97485382a99a6056f7f048b9a18b187da36a0e2
Markdowne8e1fa177c3f2291df98db235debbdeb60f5a81e563d6856e505391841249c4b
PDF
Publication page231e7aca15a148ca284d79a6738f04089e716a549934e30f14cfce657d7662aa
Manifest90ade5909f302f06ef13e713d247a133fd611b0142985fcb52427de98684c4ef

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
SignatureXrK6QocM/KwgdsWmljoOkmwJv6Z3ajGDrmjWyNQQV6zsy0QU0npsw57OVk7vGoIQqEVzv4vddEhpZwPvu8ouAA==
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

2026-09-17T11:51:20.147151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023265
observed 231e7aca15a148ca284d79a6738f0408...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:20.130659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023265/manifest.json
observed 90ade5909f302f06ef13e713d247a133...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:20.113835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023265/publication.md
observed e8e1fa177c3f2291df98db235debbdeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:20.098502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023265/publication.txt
observed 34aaa641097d347448f4c81dc9748538...
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.