OpenTechnical

OT-2026-000092937

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000092937) never changes.

Identity and time

Publication numberOT-2026-000092937 · never reused
Internal UUID01a0ae9e-090f-7c4a-98dc-516206a0d79f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092937
StatusPUBLIC

Content hashes

Canonical text8db2e5b5a9f3b88ab28199c36812b993a8a59fb69b0ed9bdc0a8709ff89f812b
Markdown347dcbd6980d97f42e36e49db5249e4287e274d148263b17675cd2c521bcf065
PDF
Publication pagee415dff727b51df6028ba9e437518a46b175fbcd9c5209c7512ce09638401298
Manifest414f529b7a45a0157919180108ce552cccaef962786a96b1aa21781df0687d0c

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
SignatureGwcCq2KKNdoSV+8wo0/AxAhennYQe4xaBGhHNY2S8wDeg/epkeARPPycutAO9myOu07K1ZRKzvqBhu5Voc9kBA==
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

2026-09-17T09:40:03.318402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092937
observed e415dff727b51df6028ba9e437518a46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:03.297338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092937/manifest.json
observed 414f529b7a45a0157919180108ce552c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:03.278370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092937/publication.md
observed 347dcbd6980d97f42e36e49db5249e42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:03.257592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092937/publication.txt
observed 8db2e5b5a9f3b88ab28199c36812b993...
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.