OpenTechnical

OT-2026-000037876

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000037876) never changes.

Identity and time

Publication numberOT-2026-000037876 · never reused
Internal UUID01a0ae77-f889-75b9-9033-9e3d6edf84e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037876
StatusPUBLIC

Content hashes

Canonical text22270c7e29bd04818484a8e51bfe27af356b92c5c9a7eec6b242aba2c15df838
Markdown039b70b3aa4042f64f17a5c1e994318dee8e772fb3500c3ccfe573572ec6cbd6
PDF
Publication pagecdb8530940a080e198742e6062d733a790f2f82884dc9e8f371b4aafc8d417d1
Manifest50bc02cc0213f27539996392b6ac8feac463ad3622eb6e7030b4b4089f13ff74

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
SignatureFlKVUNsZQJ62cVztB3BfRasAYcDfdzBXh7E7UFErI4Ps+K4iVESkMzPyUR9lw3ETQq9LscL6OElw+c4o5d9nCg==
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

2026-09-17T11:23:08.322031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037876
observed cdb8530940a080e198742e6062d733a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:08.306427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037876/manifest.json
observed 50bc02cc0213f27539996392b6ac8fea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:08.288824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037876/publication.md
observed 039b70b3aa4042f64f17a5c1e994318d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:08.270293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037876/publication.txt
observed 22270c7e29bd04818484a8e51bfe27af...
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.