OpenTechnical

OT-2026-000027261

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000027261) never changes.

Identity and time

Publication numberOT-2026-000027261 · never reused
Internal UUID01a0ae72-6996-7200-91e6-47698b7c75f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027261
StatusPUBLIC

Content hashes

Canonical text7127f6e66f0777557f935fe7bb83d53654fe35520c0572637ee10fc3f4e64195
Markdownc20f3ae77a564112d70feca4960785db322b3fa038b0d6cd0abde0bebae806cd
PDF
Publication pagefd475982443c3f9e70a2e84b1670ff7871d12b6c0b75dbf235fc2e46a4e3f344
Manifest2fe373baf28d3448a9be3b2a3de8bbd0a5a5f9b8d09591d944c6ab586f1f565c

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
Signature1iyjRRFI7KmvVvTqWk4GPDbmjCIlPffISfg8m3LEi00TmKkM01dAAG5BAZ+TVgO8ccnKJrxncib8AZLF6Ap+BA==
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

2026-09-17T11:42:37.991368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027261
observed fd475982443c3f9e70a2e84b1670ff78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.971304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027261/manifest.json
observed 2fe373baf28d3448a9be3b2a3de8bbd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.954631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027261/publication.md
observed c20f3ae77a564112d70feca4960785db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.937028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027261/publication.txt
observed 7127f6e66f0777557f935fe7bb83d536...
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.