OpenTechnical

OT-2026-000048026

Publication integrity record

Six pad foam vacuum gripper, six 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-2026-000048026) never changes.

Identity and time

Publication numberOT-2026-000048026 · never reused
Internal UUID01a0ae7f-c423-7548-9ff1-28ae9c512009 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048026
StatusPUBLIC

Content hashes

Canonical text65c6195055ae83270b3e0a3e67d017ad36e012a8ca5db00ee0e1739eb85bf3df
Markdown9f694b1196b6a4b008edb90d63c3e3aa6303d0a2f1a273eec75382d7e47b0999
PDF
Publication page81ac1791587c02274264000181b185fc467ad226fec06f7634f48e3a0b09bb09
Manifest2c463fef29b93cc1e4340fd39c3c1de91337f3f6850432b6b63b617c98fd1ca1

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
SignatureHvBX8+JagJWZodLJ34H+Ivk4eZrh5H2ppGQRM6ILzSi8rbvv/4qkXIGV6rpRVhSVCyxvBavdAf95qGViKs8zCw==
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

2026-09-17T11:06:01.392445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048026
observed 81ac1791587c02274264000181b185fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:01.373546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048026/manifest.json
observed 2c463fef29b93cc1e4340fd39c3c1de9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:01.354325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048026/publication.md
observed 9f694b1196b6a4b008edb90d63c3e3aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:01.334792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048026/publication.txt
observed 65c6195055ae83270b3e0a3e67d017ad...
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.