OpenTechnical

OT-2026-000038635

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line 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-2026-000038635) never changes.

Identity and time

Publication numberOT-2026-000038635 · never reused
Internal UUID01a0ae78-2d55-78a4-9cf6-28f7a2f6b671 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038635
StatusPUBLIC

Content hashes

Canonical text78a9b4ed967bdd6ea7dbe44c39a9c4104e111bd56d78692d655c743d5fb369ea
Markdown81b8a0c918d267bbdf0eb5f4e9333b0605065c837fc39da0bcd5c1179a756c91
PDF
Publication pageb77d596568bf158e5bec5f0cc21598d0b11fff5279d1e90a11b1ec4c4b552402
Manifestb1e9411c2651d9e7647562655a01f80c295b5c0abae176a8d64bf11704e88dfe

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
Signaturez6u+6JN8P2mwPlGQgloKteo/1JesHXDph6usWWmaZdkK7m7IC+ER7ncCdDIoi2gKD4QuRIyL6dIVRf+sSlZ2AA==
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

2026-09-17T11:22:55.847688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038635
observed b77d596568bf158e5bec5f0cc21598d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.830647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038635/manifest.json
observed b1e9411c2651d9e7647562655a01f80c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.811759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038635/publication.md
observed 81b8a0c918d267bbdf0eb5f4e9333b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:55.791290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038635/publication.txt
observed 78a9b4ed967bdd6ea7dbe44c39a9c410...
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.