OpenTechnical

OT-2026-000043661

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off 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-2026-000043661) never changes.

Identity and time

Publication numberOT-2026-000043661 · never reused
Internal UUID01a0ae7b-92d0-7b67-946f-8dc2e0e2a6ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043661
StatusPUBLIC

Content hashes

Canonical textd10fc82c5d799db072f14da1ed275925635451f1806b7c467bb0fcc6e6f0b943
Markdownaec694f0a1f6d19e514b7912334e81e44c64bce340cf41847d381b61794bc1e3
PDF
Publication page5c1b3ec559b4dba98c5023b65065e7c20357c8b92a95f241a9d05088546735eb
Manifest2463a2c29b249177f26d9c96fb37fef8e67d40166b6d333196226d1ff80c0343

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
SignaturemOnfKlReMQrcFUI3z5gvjDpnmNSQ8So1XUujxZyE1H8mErGRzMRxBY3PllzuMtmBVIr3Sv6PQfOyJP9yA73XDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:08.725027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043661
observed 5c1b3ec559b4dba98c5023b65065e7c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:08.703458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043661/manifest.json
observed 2463a2c29b249177f26d9c96fb37fef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:08.681369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043661/publication.md
observed aec694f0a1f6d19e514b7912334e81e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:08.661407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043661/publication.txt
observed d10fc82c5d799db072f14da1ed275925...
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.