OpenTechnical

OT-2026-000047269

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000047269) never changes.

Identity and time

Publication numberOT-2026-000047269 · never reused
Internal UUID01a0ae7f-3e56-7a3c-98a3-a68db3316d42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047269
StatusPUBLIC

Content hashes

Canonical textce0de1cda2cbc74583f718ee08c316b3938f2b56e833f4346be5bb2e9be3b579
Markdownd4234422092b8036fcc87f9f4bc3476dadab110bcbf0a8e4456ec0927bf7bacd
PDF
Publication page9b0db88ee71d58140b4808ec25315303966206d12b5d9ec39176bc2c3c8f3657
Manifestc7a5615aeb6cbcfa3f8503f22b75f1dcfc69a099eda44528210656b1337d743b

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
SignatureUgwBiiFdsVsHr49eWss2EO7cOjHf1oPZPiXuQb0bJB7pHFaNibvXMkCLSq9D5Sl5wBj9Ol5lhSzWKev5NxQ2Bw==
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

2026-09-17T11:06:14.096125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047269
observed 9b0db88ee71d58140b4808ec25315303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:14.078619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047269/manifest.json
observed c7a5615aeb6cbcfa3f8503f22b75f1dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:14.061612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047269/publication.md
observed d4234422092b8036fcc87f9f4bc3476d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:14.043364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047269/publication.txt
observed ce0de1cda2cbc74583f718ee08c316b3...
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.