OpenTechnical

OT-2026-000047509

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047509) never changes.

Identity and time

Publication numberOT-2026-000047509 · never reused
Internal UUID01a0ae7f-3e59-7168-90fd-3967d7b2e503 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047509
StatusPUBLIC

Content hashes

Canonical text2d8ce9a19a7ceb284ad9cf858c209f9ffa1aea5619ae72b2331144fdab309d0a
Markdown47d59b702dac3adb39a0b08c86a5b9e49e91833cc71d5343197897941ebb6ba7
PDF
Publication page09e99a48013705f63a184f2ed3da2c16324e6b71fcf27eb6c491e2cc0b609c2d
Manifestfd4a1baf938910abe99fd251f5138e330f93635d7f97d94283bd3020c402c900

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
Signature5mSLhgn7HVtLoY2Zw9VwcIGff+OHLWNt3EMlitgdYM3nE5CBz5IQy5s6N1UdDKVtRrrAwo9/HYIaxzsAjkIlCg==
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

2026-09-17T11:06:33.508756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047509
observed 09e99a48013705f63a184f2ed3da2c16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:33.492435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047509/manifest.json
observed fd4a1baf938910abe99fd251f5138e33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:33.474529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047509/publication.md
observed 47d59b702dac3adb39a0b08c86a5b9e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:33.454941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047509/publication.txt
observed 2d8ce9a19a7ceb284ad9cf858c209f9f...
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.