OpenTechnical

OT-2026-000048653

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line 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-2026-000048653) never changes.

Identity and time

Publication numberOT-2026-000048653 · never reused
Internal UUID01a0ae80-c32b-73b3-b6c2-02912a60ec8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048653
StatusPUBLIC

Content hashes

Canonical text717349e13725131771559518f4342f6764fea86f19b8ae7b0f8ae9a9d5d9d56b
Markdown2338c78af4272fc3d613f9e2cda88593299b17683adb64741ae045fe435f936f
PDF
Publication page847ab3bd2671cc4adb7b0b19208e1cd687b7a5d2159bc9420734b2551d0f5021
Manifestac810dc97e5afaeab8712ed2b66a2be0b7b9ec4bc4f1f4eacd4ee5a061175be4

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
SignaturevgGGeBO1zUHrjx1xmNjRpXMLCH7msGmNMjwthPLdu4v0/OFgpm6I+EX5YOJXhlsyuknF3Q11ZgolRFViB5xdAw==
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

2026-09-17T11:04:16.052859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048653
observed 847ab3bd2671cc4adb7b0b19208e1cd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:16.032493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048653/manifest.json
observed ac810dc97e5afaeab8712ed2b66a2be0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:16.010667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048653/publication.md
observed 2338c78af4272fc3d613f9e2cda88593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:15.987681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048653/publication.txt
observed 717349e13725131771559518f4342f67...
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.