OpenTechnical

OT-2026-000032590

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, pulsed 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-2026-000032590) never changes.

Identity and time

Publication numberOT-2026-000032590 · never reused
Internal UUID01a0ae75-1070-71de-a18d-4191aea5eb46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032590
StatusPUBLIC

Content hashes

Canonical text68fc55abf2bce24fb70746c4bd144b887763a6f6015aedaa0954a6aec74224e4
Markdownbd54be67e18c538d1375f413cf526d5708b0be45e9f74d47086f930811518123
PDF
Publication page08f8574db476288f1cf552a1281bbbd44778f047b515bd975f18c9a49649fa33
Manifestb281495a679ec4cbd212d0d67442c0e9d508650dc4609bcc9fb66566d053efaf

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
Signaturet3kzR+47Q1p34AgmNeQASIrRTw0ohmbuU1VE57OhLKQtyuuWnFFR5Z31hz3IGs8arb+p7RWyKcuFx8XPrMXPCA==
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

2026-09-17T11:34:10.147416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032590
observed 08f8574db476288f1cf552a1281bbbd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.128143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032590/manifest.json
observed b281495a679ec4cbd212d0d67442c0e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.110956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032590/publication.md
observed bd54be67e18c538d1375f413cf526d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.093382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032590/publication.txt
observed 68fc55abf2bce24fb70746c4bd144b88...
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.