OpenTechnical

OT-2026-000063558

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000063558) never changes.

Identity and time

Publication numberOT-2026-000063558 · never reused
Internal UUID01a0ae8c-f945-79da-b42f-f36dc9cec73f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063558
StatusPUBLIC

Content hashes

Canonical text33cce96e7196ebcdb3dd6007bee94a1c9a4d5e5e809158f97587175571070ce5
Markdown4d46b2cbae8f112c555b5a41d1cd239206bd614c9ea39964e4d01ed596046a70
PDF
Publication page3670fbd1a53656f6f006d9b55585831434f8cd32841e32d4e0705dace896d180
Manifest122359b68f2d5017bf68f054f631c0bf0a559a64e63647d0458790d6641e18b7

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
SignatureIN1LTxb5Gzgu0bstTpUgsAjDw0yFHs3O6Kn5QAy1/eMw75VNMJN0A8hl62KXrr+k0Je4Jz0NHtvBAbm+Bzf3CA==
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

2026-09-17T10:37:33.752584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063558
observed 3670fbd1a53656f6f006d9b555858314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:33.732591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063558/manifest.json
observed 122359b68f2d5017bf68f054f631c0bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:33.712030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063558/publication.md
observed 4d46b2cbae8f112c555b5a41d1cd2392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:33.691818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063558/publication.txt
observed 33cce96e7196ebcdb3dd6007bee94a1c...
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.