OpenTechnical

OT-2026-000013513

Publication integrity record

Two cup vacuum gripper, two 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-2026-000013513) never changes.

Identity and time

Publication numberOT-2026-000013513 · never reused
Internal UUID01a0ae6d-6fcb-7b87-9085-30c74b55b12f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013513
StatusPUBLIC

Content hashes

Canonical textc515d344adac6d02154c828167c57374fa5f27d5b20ca65772875202b9f1f0c0
Markdown259e18f7e6b185460079a01cbdfc4a28648c5630b42bc1346d2bccf5f15993c7
PDF
Publication page02428c42abad793df8c7468fdab24889afa1900a8fcfe07fda371feb8b309755
Manifest84fe6f1842b217aec09417cd626f4d1465fc0f179d235f37f17a5b73d1959feb

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
SignatureIGqrh1Sr3VhxXlaBj5HjmvpCetVWmMP5U63ZJxRlvKAk2tJpfImqbv6TrwKZk2gZrG+OGPZoRlboDZenOscnCQ==
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

2026-09-17T12:10:01.598954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013513
observed 02428c42abad793df8c7468fdab24889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:01.581411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013513/manifest.json
observed 84fe6f1842b217aec09417cd626f4d14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:01.562166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013513/publication.md
observed 259e18f7e6b185460079a01cbdfc4a28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:01.544116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013513/publication.txt
observed c515d344adac6d02154c828167c57374...
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.