OpenTechnical

OT-2026-000012144

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum 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-2026-000012144) never changes.

Identity and time

Publication numberOT-2026-000012144 · never reused
Internal UUID01a0ae6d-39f4-7385-b437-3ac2fcb6b051 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012144
StatusPUBLIC

Content hashes

Canonical text5772f7c0829c514e44bc691724581e3c87568ed77377f71527a94af7a85f436e
Markdown46ed4ca17f069b45801719d533a62f53951009fd0316ed9d441b8a099c95d908
PDF
Publication page604cc2fa0010f783818f0dda1de50043fffb1d078378aba7312f26635f79810e
Manifest475483323f3f14b258febd66bf8c1ecd924345451fbdb12d486aef52b63bdb40

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
Signature4zoKxKVNFXoxrqf7JyZXoCM/Nu6MM5qIjszRNFUp8+lr4XqpKK8IvKUI2sASOaU0xe8THVP9XPfcaKhXcKMKAw==
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

2026-09-17T12:11:02.210134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012144
observed 604cc2fa0010f783818f0dda1de50043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:02.190802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012144/manifest.json
observed 475483323f3f14b258febd66bf8c1ecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:02.171727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012144/publication.md
observed 46ed4ca17f069b45801719d533a62f53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:02.152994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012144/publication.txt
observed 5772f7c0829c514e44bc691724581e3c...
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.