OpenTechnical

OT-2026-000072377

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line 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-2026-000072377) never changes.

Identity and time

Publication numberOT-2026-000072377 · never reused
Internal UUID01a0ae92-47c3-7962-bd68-68cc1b8806d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072377
StatusPUBLIC

Content hashes

Canonical text014ad95cb88cf8b44b609398fd19430e90ef0b5bf373c78fb03914d3628e2810
Markdown505e74df85f33a2f26f992bafffbe32e1b1b21f44f9adf0ec761bda3f419211c
PDF
Publication page5dad8914c7e92697e99cf55d0c06b7bf4d9a1562750ab5b2b37d0d39d575ddec
Manifest3f989572b6f50c58f250d13ae698dbb031b687a3e7b9d9710f1f24cc5e6018a3

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
SignaturerPX2daAi+WoGDqknVSvPD6715dwS2aSY/rugVT81lX/QpKGurj9ZJ2Bcms5NewonEdkAxHaeE7uJDgQYNWQxAA==
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

2026-09-17T10:23:36.907756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072377
observed 5dad8914c7e92697e99cf55d0c06b7bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:36.890195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072377/manifest.json
observed 3f989572b6f50c58f250d13ae698dbb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:36.871818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072377/publication.md
observed 505e74df85f33a2f26f992bafffbe32e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:36.855514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072377/publication.txt
observed 014ad95cb88cf8b44b609398fd19430e...
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.