OpenTechnical

OT-2026-000047861

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000047861) never changes.

Identity and time

Publication numberOT-2026-000047861 · never reused
Internal UUID01a0ae7f-c421-7ce1-84dc-36d71ac50def · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047861
StatusPUBLIC

Content hashes

Canonical text5a3d60ae1a0999dfd4106bf5a0e034e54da0dffb4644dafe4bf6976020ac7367
Markdownd19a1bb27f4407452a73fb9ec9a2b945b5bd92628d113c1e1ae363e3200bb829
PDF
Publication page444f387765ee29c9e7c91bfb2003b0df2a419b444ac9be82684825fe698e17e9
Manifest0bcdd72d0f9369b99df44dbcd4b2cc53e37b95cee257f81845d868eac9a03114

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
SignatureJ1odVG7bgpV9OoBXq/ZpHgIT5dkjtT0K2nlNB6Il1ALeAfMfiUawvvW/NTnha7QL6cK9JpkQx9Vnjy0DpWVgBQ==
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

2026-10-19T08:41:56.850142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047861
observed 444f387765ee29c9e7c91bfb2003b0df...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T08:41:56.800338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047861/manifest.json
observed 0bcdd72d0f9369b99df44dbcd4b2cc53...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T08:41:56.650087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047861/publication.md
observed d19a1bb27f4407452a73fb9ec9a2b945...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T08:41:56.403555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047861/publication.txt
observed 5a3d60ae1a0999dfd4106bf5a0e034e5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-02T04:23:15.707927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047861
observed 444f387765ee29c9e7c91bfb2003b0df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-02T04:23:15.692825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047861/manifest.json
observed 0bcdd72d0f9369b99df44dbcd4b2cc53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-02T04:23:15.677934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047861/publication.md
observed d19a1bb27f4407452a73fb9ec9a2b945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-02T04:23:15.650005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047861/publication.txt
observed 5a3d60ae1a0999dfd4106bf5a0e034e5...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent