OpenTechnical

OT-2026-000014575

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pulsed 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-2026-000014575) never changes.

Identity and time

Publication numberOT-2026-000014575 · never reused
Internal UUID01a0ae6d-b27b-7b7c-89c8-203e42666358 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014575
StatusPUBLIC

Content hashes

Canonical textebb6d2d16dbaf4f0fca885f5826c1c89f32885ba9431d7d6690ce07a03f0fb02
Markdown6de375b494fc9f7359a19faf97af4f668290999cd7b659ef92a4fec8d928f3b7
PDF
Publication pagea6b5a7822c17a7fd0a58faab196d1a0449258553f71d1fce86717757c05cab0b
Manifest976e381a5df73af74569e71ff0cbe259adbcc1c23bc64e3f71af6d16f343efdc

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
SignatureEKDOXFKVUljk9l0jhPwmRh/opSdGoL7zz5Pwwaw+5Zgz8dtLa5GFrcyKQEuP81xCUibG/LhDnTVwYigitEraDg==
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

2026-09-17T12:10:27.626854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014575
observed a6b5a7822c17a7fd0a58faab196d1a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:27.607326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014575/manifest.json
observed 976e381a5df73af74569e71ff0cbe259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:27.585406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014575/publication.md
observed 6de375b494fc9f7359a19faf97af4f66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:27.564842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014575/publication.txt
observed ebb6d2d16dbaf4f0fca885f5826c1c89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:28.909176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014575
observed a6b5a7822c17a7fd0a58faab196d1a04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:28.891481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014575/manifest.json
observed 976e381a5df73af74569e71ff0cbe259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:28.872129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014575/publication.md
observed 6de375b494fc9f7359a19faf97af4f66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:28.853138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014575/publication.txt
observed ebb6d2d16dbaf4f0fca885f5826c1c89...
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.