OpenTechnical

OT-2026-000042063

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000042063) never changes.

Identity and time

Publication numberOT-2026-000042063 · never reused
Internal UUID01a0ae7a-5d70-7c18-a84a-d11311dcae85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042063
StatusPUBLIC

Content hashes

Canonical text37209397cd2bbf0a4b1475ad249e5fede69a522217c92977ef500c8a5053927b
Markdownfda9e7156d9b6ecf4b9200008919dc425bc341a9749222da497969bf93ad027e
PDF
Publication page4dca25d00775156e62e5ca2bb2b6232846352abb72c5e66e6f8cd1c79755c006
Manifest95ed99f1ab65c8d241edc71953b19e62f9c9441fc4c2b57ab886c56f72a7cc96

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
Signatured7wLSPrEpOz0MtHSOjfI+XWmmcUjrrZ3XXfoxhsx/dYy7ule2396Dxc3uyY7Pi7DWyWOp/0d4odaVhE5yUKAAw==
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

2026-09-17T11:15:35.052337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042063
observed 4dca25d00775156e62e5ca2bb2b62328...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:35.031315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042063/manifest.json
observed 95ed99f1ab65c8d241edc71953b19e62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:35.011020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042063/publication.md
observed fda9e7156d9b6ecf4b9200008919dc42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:34.989551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042063/publication.txt
observed 37209397cd2bbf0a4b1475ad249e5fed...
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.