OpenTechnical

OT-2026-000048823

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two 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-2026-000048823) never changes.

Identity and time

Publication numberOT-2026-000048823 · never reused
Internal UUID01a0ae80-c32d-7814-a085-1d88d13f1b4a · 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-2026-000048823
StatusPUBLIC

Content hashes

Canonical text24d99f956fd9fdcadd29164acd0aefb62a285000e77a71d640f1e3e33b7d295c
Markdownf7435c1cd574b21cc6d082b52e6d67b2c1c4f8b30d134dc733c352268728f166
PDF
Publication page131bff9b93195549ba26eaa78ce5da870f6e5942a4c9fa912a2fec9fa69f9f15
Manifest4da50dbf2b23a09d3b74c45441b34a814fa27a6f75ab3f2bc2340883a6ceec70

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
SignatureQSGEi7AXE9/RKRC4ieZH73etw0oXm2XYtSvbCJw5Vr4uINBs7tbDcAKi+Fg+uhKLHCI/zXrvRgngGbyzUZdlAA==
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

2026-09-17T11:04:33.352697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048823
observed 131bff9b93195549ba26eaa78ce5da87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:33.331409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048823/manifest.json
observed 4da50dbf2b23a09d3b74c45441b34a81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:33.311040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048823/publication.md
observed f7435c1cd574b21cc6d082b52e6d67b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:33.292069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048823/publication.txt
observed 24d99f956fd9fdcadd29164acd0aefb6...
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.