OpenTechnical

OT-2026-000012077

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000012077) never changes.

Identity and time

Publication numberOT-2026-000012077 · never reused
Internal UUID01a0ae6d-1943-793c-9927-194be82f4973 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012077
StatusPUBLIC

Content hashes

Canonical texte66d7903aeec386d70790f1da01edbacc843f1de84da5e45c61cc358329dec92
Markdownf68a56d111f31f720e41f4291b9ea49e82e4217a6434478cd6e12b100cf43816
PDF
Publication page56561256bfd0bfd9dd1145ba29c1563621571000cadc3e5234b3db5ecf7b56ef
Manifestb8f502a6c25400429e78ae3a21682ce8a3456792a214c77b423b3d80f95995a3

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
Signature9TtdevAhtDK+RIlORfpUpWcEDBFUHoOCIt7Bji0aTuSjzckF9jb3RRR/DJWddlbGqGjLKMEYxbA2bzpzXcVaAA==
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

2026-09-17T12:12:57.890929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012077
observed 56561256bfd0bfd9dd1145ba29c15636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.873433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012077/manifest.json
observed b8f502a6c25400429e78ae3a21682ce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.855277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012077/publication.md
observed f68a56d111f31f720e41f4291b9ea49e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.834567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012077/publication.txt
observed e66d7903aeec386d70790f1da01edbac...
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.