OpenTechnical

OT-2026-000025888

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000025888) never changes.

Identity and time

Publication numberOT-2026-000025888 · never reused
Internal UUID01a0ae71-a83e-7866-b37f-ee65a42a0442 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025888
StatusPUBLIC

Content hashes

Canonical text4db0177ea71d5c1045be48b3c4f7bbde574e65ac89e19a05f6320481ae4619d2
Markdownedeaa9aa148ddb8281eb67e25d2681455ece2d9fa35bb5758cffd9d7ec128e81
PDF
Publication paged3fad752f24da7c9bdbd4c4076fbcc395d8056a8ce772199a8d7f3c8aa954c94
Manifestb98ea96718db1d47521b8b5e42aa8454cb26559cac365a6d527679d46920ecbd

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
Signaturewd8a1jApkeOYlecSHkd8x+QccR6Yyc1dFj7a+Sy6LntBPFPQB9VAV00YEkBLxT0gBhtfdNVOmZAWg/6ZIZoHDA==
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

2026-09-17T11:46:13.777404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025888
observed d3fad752f24da7c9bdbd4c4076fbcc39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.759978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025888/manifest.json
observed b98ea96718db1d47521b8b5e42aa8454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.741936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025888/publication.md
observed edeaa9aa148ddb8281eb67e25d268145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:13.724310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025888/publication.txt
observed 4db0177ea71d5c1045be48b3c4f7bbde...
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.