OpenTechnical

OT-2026-000069831

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000069831) never changes.

Identity and time

Publication numberOT-2026-000069831 · never reused
Internal UUID01a0ae91-185f-7cbd-b55e-91bd7ec91e5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069831
StatusPUBLIC

Content hashes

Canonical text4b2b6b3977e151237b29d3c684981d81c91a6e9a740e29cbbb966c05f5439c67
Markdowndc20da84e9a043450eef936526c288c58753b42c6855b05bc6f84a2160102cd8
PDF
Publication page8a9dfe16605c9344e5330acb2576a982d285d7fdb1ea8559f92d4d18e09b0396
Manifest004dfe9534b64f35b9575c9593e541f1cc2a38d2d27ae9293308fc51d15d77ab

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
Signature1XjfeVQuyzVUABHiFUD3oqG2BLqR3JmRwIc+iYf7aZkeOGdK+oebdq/MTF8NXlHAFJS8jebGt0uwx+vsPtn+CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:39.773023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069831
observed 8a9dfe16605c9344e5330acb2576a982...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:39.755821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069831/manifest.json
observed 004dfe9534b64f35b9575c9593e541f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:39.738365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069831/publication.md
observed dc20da84e9a043450eef936526c288c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:39.722172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069831/publication.txt
observed 4b2b6b3977e151237b29d3c684981d81...
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.