OpenTechnical

OT-2026-000043006

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000043006) never changes.

Identity and time

Publication numberOT-2026-000043006 · never reused
Internal UUID01a0ae7b-3277-7ee0-b69f-e1df54def4c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043006
StatusPUBLIC

Content hashes

Canonical text01f80abea21e324ac6a47f22469377a2233ccd45098b74b0d3552fa616df854c
Markdown68e2d45586a313dbc657328e03cd1210755831ccc17a43e1255ba917927436a6
PDF
Publication page861d304773734e9ea4fbe8a7b0cfccee5fbaf60461543ddf7ff9136423e877e4
Manifest6ec434b0613d76cca70d9366d05ecc8680b8c5ec926a5e4bc2b56192ea5810a3

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
SignatureIijezONVECPGNy3qW2hWIoNWA1RjswMbT4deMRKlv7TAQYo4t87gleMc0/HwJE66r3iBxps0TkSOLgybrl8+Bg==
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

2026-09-17T11:13:18.956313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043006
observed 861d304773734e9ea4fbe8a7b0cfccee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:18.938076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043006/manifest.json
observed 6ec434b0613d76cca70d9366d05ecc86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:18.917628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043006/publication.md
observed 68e2d45586a313dbc657328e03cd1210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:18.897639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043006/publication.txt
observed 01f80abea21e324ac6a47f22469377a2...
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.