OpenTechnical

OT-2026-000046618

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, supply line 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-2026-000046618) never changes.

Identity and time

Publication numberOT-2026-000046618 · never reused
Internal UUID01a0ae7e-57de-7bf0-af4a-01ec81c7742f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046618
StatusPUBLIC

Content hashes

Canonical text59f56ee1385c623df049961dc9c97c2a87cfb706d9653cb6a03352f480e16e07
Markdowneb9749d1965a72ddc888b9415abfe7f528c06aa63252f94937997d5d1ad1c1f4
PDF
Publication pageb3bfb5d871616ef8ce8fcc0d31c519e689be3263a3a4269f2c0d73a887b92c93
Manifest37731da7691642505aa14ad2aec7a5d637a9cd42668425df849174938f31955b

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
SignatureWFDpm2QRDmp/fg9LGnWl4kwE0kDEXFUXit3U4J3NOG6N9n0bY1tw16nbOgarLFUFRzVGi9Lnunolr6NizCYGBw==
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

2026-09-17T11:08:42.059164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046618
observed b3bfb5d871616ef8ce8fcc0d31c519e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:42.041514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046618/manifest.json
observed 37731da7691642505aa14ad2aec7a5d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:42.021963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046618/publication.md
observed eb9749d1965a72ddc888b9415abfe7f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:42.002900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046618/publication.txt
observed 59f56ee1385c623df049961dc9c97c2a...
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.