OpenTechnical

OT-2026-000080312

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000080312) never changes.

Identity and time

Publication numberOT-2026-000080312 · never reused
Internal UUID01a0ae96-7e77-73ea-9fcc-c68726799034 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080312
StatusPUBLIC

Content hashes

Canonical text5b1c1899d70f8c74dbffb3c0fd8ef79b6bdab777c71a91a621ea2182063bba13
Markdown9567afff1e74a4bf26a68ae44ad7acb6ea5960716bc739aa092784d9ffc4af79
PDF
Publication page698f80456afb52e22722f9fb3227c37b1e027b27ce2710b6e31b8130b6fcf665
Manifestcf338f35f5c162aa75f530e5ff9c6baff0a5e58db9ea080b857ca013db5ff423

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
SignaturetP8iAzKGmlzFdR9wjHjgsoFku1+LWlpWkZkwemOa9ikISORew22VTazOAeuvV7mOfVJysOFeEJe0uMCqU/ecAw==
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

2026-09-17T10:02:46.893711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080312
observed 698f80456afb52e22722f9fb3227c37b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:46.874646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080312/manifest.json
observed cf338f35f5c162aa75f530e5ff9c6baf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:46.855206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080312/publication.md
observed 9567afff1e74a4bf26a68ae44ad7acb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:46.833428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080312/publication.txt
observed 5b1c1899d70f8c74dbffb3c0fd8ef79b...
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.