OpenTechnical

OT-2026-000048673

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, supply line 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-2026-000048673) never changes.

Identity and time

Publication numberOT-2026-000048673 · never reused
Internal UUID01a0ae80-c32b-7d58-b105-06e3c94f06e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048673
StatusPUBLIC

Content hashes

Canonical text4595d501666e98e32330f4e84fa22a2e7f69aff555506c4b9823e1ed37d8c646
Markdown4dcc4e6c4ae404979bad329d14f5987e290064a414fdf6991e74e3dabfe4d37d
PDF
Publication pagef7eeb6b2ef5d8116673236ce2d702d81ffd9a2cbb18247220bf8f6bd4e59f972
Manifest76e84f86faacbbec4f3a7bda29d47d4a352a189cfd211ea2688f467787a54d0b

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
Signature7McqK+UeHKsrtyz9XpGq1K2wyv2T3K8+p2siH8HoxrrB1m/zFAmb7BzAots0gyZ7RW9o+41abPkH5kls7Gd4Aw==
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

2026-09-17T11:04:17.790787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048673
observed f7eeb6b2ef5d8116673236ce2d702d81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:17.770057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048673/manifest.json
observed 76e84f86faacbbec4f3a7bda29d47d4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:17.751681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048673/publication.md
observed 4dcc4e6c4ae404979bad329d14f5987e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:17.732122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048673/publication.txt
observed 4595d501666e98e32330f4e84fa22a2e...
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.