OpenTechnical

OT-2026-000039307

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, 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-2026-000039307) never changes.

Identity and time

Publication numberOT-2026-000039307 · never reused
Internal UUID01a0ae78-9674-72ec-91b6-d897e41de2bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039307
StatusPUBLIC

Content hashes

Canonical text9efb8da1151adfc1320174306622c08725924bfcc146a1539930741d1a6072f8
Markdown2e90f00812774d72513821b352968e9c1b4bd30a106a89fb02d463c987785770
PDF
Publication paged19ddcf8610fb38254c3bb4094551fb4c2e3255f97fa0ada261f4a0ef8fd1ba7
Manifest317dc5d1a65a95f6548a031f90e2bf88c38cf5bdee0422bbe4323f409885fb1e

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
SignatureOQCK7fP7d3VQtv1QTGfaEAYI4CQYfssNvbwwQAzb3QknbkCixrZaGc1vL0czu9Od0nJdvpFCWj1barED7WTxBg==
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

2026-09-17T11:20:53.636330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039307
observed d19ddcf8610fb38254c3bb4094551fb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:53.617168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039307/manifest.json
observed 317dc5d1a65a95f6548a031f90e2bf88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:53.599628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039307/publication.md
observed 2e90f00812774d72513821b352968e9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:53.582050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039307/publication.txt
observed 9efb8da1151adfc1320174306622c087...
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.