OpenTechnical

OT-2026-000088022

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000088022) never changes.

Identity and time

Publication numberOT-2026-000088022 · never reused
Internal UUID01a0ae9b-1aa6-7a9e-bf4e-62dd1e9fa9a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088022
StatusPUBLIC

Content hashes

Canonical textbe154cd004e0af927e71bc4cf5d43cd8ad034b071e890b9f54810e6cdf9ec310
Markdown69235aee45c2017329fdf6cf7fc3a18dc36ec59f6868cc51bf7451952d734136
PDF
Publication page50593e7c99ba8278f831df1519f52351d1334d041a73c24d25dc468b4ca042e3
Manifest19b88650c81d286f8920759b9e780ae29681244d6de8dd2cfaf6f34329875188

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
SignaturehQT6XNUuwJwXk8EenusjTbbcRUvRwzzBTK84q6llxJNeUY4yYd2QEo9GrLQBC44RgfyAjFX+TfY9qkCynxhWAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:49:24.439443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088022
observed 50593e7c99ba8278f831df1519f52351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:24.421330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088022/manifest.json
observed 19b88650c81d286f8920759b9e780ae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:24.402669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088022/publication.md
observed 69235aee45c2017329fdf6cf7fc3a18d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:24.383844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088022/publication.txt
observed be154cd004e0af927e71bc4cf5d43cd8...
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.