OpenTechnical

OT-2026-000062773

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000062773) never changes.

Identity and time

Publication numberOT-2026-000062773 · never reused
Internal UUID01a0ae8c-6389-74ba-9a74-15550d9c7c59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062773
StatusPUBLIC

Content hashes

Canonical text824f4b44bf971706c4e8df79e3d5feefa6a94689ff3497baa7ecd05da0930323
Markdown93e46521224657f00a0d53f00fa28ce00722ed23d93d3880f201f71eeb51ebc0
PDF
Publication paged9ec108c145f86c6a559029f5bde9a8b78bb96aa4130e6c6c93b9be6adaca0e6
Manifest4cd07d6254f703648c3841b9cc1ad896a4831f9ebee754869f0ff7335a5db421

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
SignaturePlVqb94wLPUjE3w785W3hacapgmWTbcMcboEBuzFrXl75wSsrIqXyMZU7kqgwML+n9bqoSiwlelEw/jIIu2GAA==
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

2026-09-17T10:39:21.543892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062773
observed d9ec108c145f86c6a559029f5bde9a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:21.527211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062773/manifest.json
observed 4cd07d6254f703648c3841b9cc1ad896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:21.510862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062773/publication.md
observed 93e46521224657f00a0d53f00fa28ce0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:21.493122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062773/publication.txt
observed 824f4b44bf971706c4e8df79e3d5feef...
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.