OpenTechnical

OT-2026-000049983

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000049983) never changes.

Identity and time

Publication numberOT-2026-000049983 · never reused
Internal UUID01a0ae81-fd77-722b-984b-7d45572b9f64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049983
StatusPUBLIC

Content hashes

Canonical text46e4ee545e4ea9259ad8f8413939f236aad5318fdabe9e5c20533e26bd570773
Markdownb03c810e48f4487fa1d1fc32816b76e4d180de84271daaf37abae12c5543bf68
PDF
Publication pageb8d4cca922f8fa3e0b12c973eec1385ca4cfd068d2604f8b8ff79d2b7176846a
Manifest446af23c81891bb27e65fd58d8cb49d3aaeb4dca9b97a6cfdcd7c7abc2a71f8d

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
SignatureRX6hyOvAtDkavMG1pd7I7EVum6/Bi/DTZwALhRUG22VqHgJ3wZXdZV/1F65cweliLUfyzV8zpdEf6FZ+IgoFAA==
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

2026-09-17T11:01:56.153655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049983
observed b8d4cca922f8fa3e0b12c973eec1385c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.134163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049983/manifest.json
observed 446af23c81891bb27e65fd58d8cb49d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.114816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049983/publication.md
observed b03c810e48f4487fa1d1fc32816b76e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.096545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049983/publication.txt
observed 46e4ee545e4ea9259ad8f8413939f236...
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.