OpenTechnical

OT-2026-000045590

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000045590) never changes.

Identity and time

Publication numberOT-2026-000045590 · never reused
Internal UUID01a0ae7d-8f02-7442-a5b6-7ce9bd3a7939 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045590
StatusPUBLIC

Content hashes

Canonical textd6fe93a2831afeb04c8803c7178c4d428a4e3ac1bf95f4c9a8a979145f337a10
Markdown8db3182350a2c135da1dcf7326c5343808fa3b450595e124bdef70e792cbcac8
PDF
Publication page505804d0fed7e90ba62d3ac72037b72a0922bc9c9321bae6cdbae76e082f5d9a
Manifestdbd83b20e08cc66d2311e8cbf6dcfc4ccdfce1a275139afb3c21b7b4a5af933b

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
SignatureopZo1y6cTx7R3Q08qVtVpJ8O8mDD4CdMdsLKPGMVUdcOWVA8LBvR1b/OUq0wxlWJNeEPO7mYJ6ntmx0D/jq2AQ==
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

2026-09-17T11:09:21.580455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045590
observed 505804d0fed7e90ba62d3ac72037b72a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:21.560542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045590/manifest.json
observed dbd83b20e08cc66d2311e8cbf6dcfc4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:21.541158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045590/publication.md
observed 8db3182350a2c135da1dcf7326c53438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:21.521407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045590/publication.txt
observed d6fe93a2831afeb04c8803c7178c4d42...
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.