OpenTechnical

OT-2026-000003383

Publication integrity record

Vacuum cup control apparatus

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-2026-000003383) never changes.

Identity and time

Publication numberOT-2026-000003383 · never reused
Internal UUID01a0a6b9-9a0c-7fb2-beca-492a30f250fb · UUIDv7, RFC 9562
Publication timestamp2026-09-15T20:19:36.588594Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003383
StatusPUBLIC

Content hashes

Canonical text4bd5d2fb784c78578a7e3d1acfad91ceb774d024d65ffc19b3e27d3462697148
Markdown6e9f07ef7360b39f4786d3faa75f51ff1a81945cad30650875833ccd635acf51
PDF
Publication page91b0c199021f158ca471501d6ab3a872fd0b591b256be76212e4d91cfc31df44
Manifest27150f0c66eaff8fa0b147f6c777eb1777bb4070ab8dd73eca1d0a2cfc47facd

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
SignatureFONNDCozE7c3LBrHllDCTs/TdiZzVdkyXfb0/1NQjO0zaBD24F/LvbCJ08A9HjStJyYWT4DsjIgl2jJ4u9LrCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:27:02Z
batch OT-TS-2026-W38-005 · RFC 3161 token · inclusion proof
root 0d980c01ea01b2d7f69845e24a85320c...

Independent retrieval

2026-09-16T04:23:15.070158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003383
observed 91b0c199021f158ca471501d6ab3a872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:15.057361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003383/manifest.json
observed 27150f0c66eaff8fa0b147f6c777eb17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:15.043089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003383/publication.md
observed 6e9f07ef7360b39f4786d3faa75f51ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:15.028156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003383/publication.txt
observed 4bd5d2fb784c78578a7e3d1acfad91ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T00:41:06.248550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003383
observed 91b0c199021f158ca471501d6ab3a872...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:41:06.116452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003383/manifest.json
observed 27150f0c66eaff8fa0b147f6c777eb17...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:41:05.958074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003383/publication.md
observed 6e9f07ef7360b39f4786d3faa75f51ff...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T00:41:05.825237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003383/publication.txt
observed 4bd5d2fb784c78578a7e3d1acfad91ce...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent