OpenTechnical

OT-2026-000023441

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000023441) never changes.

Identity and time

Publication numberOT-2026-000023441 · never reused
Internal UUID01a0ae70-7268-7cb1-8086-595fc4e42ea6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023441
StatusPUBLIC

Content hashes

Canonical texta22323aab4950a0fabad4b22e900950ed7f23665499adfb6d8a6efb0a8c4205c
Markdownf1971712cd3c44cb80a7e593bce44f1101c8ff4bd2f6db4fdf597e0c14641c98
PDF
Publication pagef1129c457a5bc810cfbf71a69b3ee37a84541e069f4c690edc3002e0520bff8d
Manifest29369a04b55af1173d6154b6c68cb3b3dded5689ba9efbfae6d8a211cbba0d5c

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
SignatureP2vIb0bpevmGvfHwnX1MgFTztmcb/1yZD62GLNV8tu3JWvl0ojUHdo5inunGDmvzAyKtKC7ALXc+EHrkyIL4Aw==
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

2026-09-17T11:51:39.393800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023441
observed f1129c457a5bc810cfbf71a69b3ee37a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.370925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023441/manifest.json
observed 29369a04b55af1173d6154b6c68cb3b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.352615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023441/publication.md
observed f1971712cd3c44cb80a7e593bce44f11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:39.335652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023441/publication.txt
observed a22323aab4950a0fabad4b22e900950e...
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.