OpenTechnical

OT-2026-000057702

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented before set-down

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-2026-000057702) never changes.

Identity and time

Publication numberOT-2026-000057702 · never reused
Internal UUID01a0ae88-2695-779a-8ffd-a17eea6b0cd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057702
StatusPUBLIC

Content hashes

Canonical text3057885c3d2a8fdee71c73aafaff1c0b431071552c2a32211fc7678d73568ba4
Markdown93f7bb834435047386e0f0d3463e8b6965a7b70b03d9d4d5f0832ef0f58d809f
PDF
Publication page2e649f5d6b8a3da14196e613c39aa288c39d8e619e28d6bd5ed37913dadd1280
Manifest0b3e449366eda9d4c65adf8bcd3a54730b0bf09ba85d47b5685177359513d1e0

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
SignatureSa2l0h/zs/WfXJF8dg620RP/LiiYtNkGINXQmiw/880aG7+FVbq2qwh00z2V8dUCON17U8hTjILAzuhDu86xCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:22.066769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057702
observed 2e649f5d6b8a3da14196e613c39aa288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:22.048580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057702/manifest.json
observed 0b3e449366eda9d4c65adf8bcd3a5473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:22.030779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057702/publication.md
observed 93f7bb834435047386e0f0d3463e8b69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:22.012119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057702/publication.txt
observed 3057885c3d2a8fdee71c73aafaff1c0b...
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.