OpenTechnical

OT-2026-000043546

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000043546) never changes.

Identity and time

Publication numberOT-2026-000043546 · never reused
Internal UUID01a0ae7b-92cf-7659-bd71-860d61666a60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043546
StatusPUBLIC

Content hashes

Canonical textd4ed9cceed73a7005e10d7a58f7765cf581ae6501fa78764e0e90871511662de
Markdown76746d708847a381fd737c856ac10fcf96bb4ea641a1fc75f2773b49f5eb70ea
PDF
Publication page06c4442409711ac7e8eb3f10b54fbdc15fe37d3a13e059189139fdebb68d3e88
Manifest67a9c432856c799ec0073d11210b5a52c9ef4d493dfd9214c555fc675668045c

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
SignaturehlDd5dSQnLtMoV7NLs4MJKbY12lbm28GsQOLL6rbIZLMTh15qWl7GBnt+El7NgxFIBqiGUoO63Lgq6uwGd/vBQ==
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

2026-09-17T11:12:55.960932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043546
observed 06c4442409711ac7e8eb3f10b54fbdc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:55.940622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043546/manifest.json
observed 67a9c432856c799ec0073d11210b5a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:55.919069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043546/publication.md
observed 76746d708847a381fd737c856ac10fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:55.900209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043546/publication.txt
observed d4ed9cceed73a7005e10d7a58f7765cf...
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.