OpenTechnical

OT-2026-000048049

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000048049) never changes.

Identity and time

Publication numberOT-2026-000048049 · never reused
Internal UUID01a0ae7f-c423-717a-b462-076dd73f71f4 · 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-2026-000048049
StatusPUBLIC

Content hashes

Canonical text9aa475463863b4d581d31b1be207598cd3a6848b91f38b882407fd8dab8c111e
Markdownfe262f7df226ad6c352506602c29196be940eb8272cb409f44f90b2c7f6b3e1e
PDF
Publication page7beb4508e0cb00bb7134b04aa5fc95f5a1729ba7cfef92ac43685f666dfc551e
Manifestee6868b0d92d01ac22165b2223b35d7a1ee53041806b148649f45ee8f514ca2f

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
Signaturee1Sp2vwLnsdVi084C8kXoBm/hfY8/4Bbu7oR4FBM47QztnwaxUcv9IOF3LlbptPW9VfvWzME8wByAjepnoFHCQ==
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

2026-09-17T11:06:03.269317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048049
observed 7beb4508e0cb00bb7134b04aa5fc95f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.250971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048049/manifest.json
observed ee6868b0d92d01ac22165b2223b35d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.231615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048049/publication.md
observed fe262f7df226ad6c352506602c29196b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:03.213970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048049/publication.txt
observed 9aa475463863b4d581d31b1be207598c...
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.