OpenTechnical

OT-2026-000046643

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000046643) never changes.

Identity and time

Publication numberOT-2026-000046643 · never reused
Internal UUID01a0ae7e-57de-7187-a773-05f4e11512d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046643
StatusPUBLIC

Content hashes

Canonical texta00b37f0b91f7bab33f55e91d4874b9d892cf37456544e80450ef9d560b4d376
Markdown783972aecfdb14c10d922d3f2980d6f66a17472c1ba46c7ea9bac24e601c1002
PDF
Publication page0797c1a7cd393636ad280d6bbf97c887f18f5e78971a80619d698d7f888587fb
Manifestc426d00cb6b7d6949a460efc3860f82d81225fdc98283ce39a87450991ca86e2

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
Signaturel10W7X5r9aJgOpik4pQIb2x9GAwg8u8xcz2XEEKnxxUL8ClUTzEgReNV9fhu4K9CuY3ZXGxDZ7jkU0CLTjPzAQ==
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

2026-09-17T11:08:44.022007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046643
observed 0797c1a7cd393636ad280d6bbf97c887...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:44.003932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046643/manifest.json
observed c426d00cb6b7d6949a460efc3860f82d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:43.982779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046643/publication.md
observed 783972aecfdb14c10d922d3f2980d6f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:43.963502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046643/publication.txt
observed a00b37f0b91f7bab33f55e91d4874b9d...
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.