OpenTechnical

OT-2026-000063749

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000063749) never changes.

Identity and time

Publication numberOT-2026-000063749 · never reused
Internal UUID01a0ae8c-f946-75eb-bbca-62bae58daede · 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-2026-000063749
StatusPUBLIC

Content hashes

Canonical textef528e4b3027e342ca3f41f4c911a4edb5312e7ce5de4ef725634236474d18cb
Markdownb7d3bc5015046fb12c1c37b276a4b13e3300305733c079b27228d324e2e85ced
PDF
Publication page2aa06218ce535c377ad21273d7f865fdf993773444fa787899e87e548b132331
Manifest2b3834a2c1dde13e86ea5f3b50f50497b33ab812437817dde8364a0a3b0281bb

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
SignatureoxdoMhSVdMlfivOu+trjQiOts0BGig2yPKXBKIkuvI74myHVtb+/kXpz+mn1fLChy2cJ5tDuG5isp8InUnFbBw==
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

2026-09-17T10:37:53.011934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063749
observed 2aa06218ce535c377ad21273d7f865fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:52.988558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063749/manifest.json
observed 2b3834a2c1dde13e86ea5f3b50f50497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:52.970833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063749/publication.md
observed b7d3bc5015046fb12c1c37b276a4b13e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:52.951392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063749/publication.txt
observed ef528e4b3027e342ca3f41f4c911a4ed...
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.