OpenTechnical

OT-2026-000010889

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, vented after 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-2026-000010889) never changes.

Identity and time

Publication numberOT-2026-000010889 · never reused
Internal UUID01a0ae6c-540d-7192-9ca1-1d0472fda398 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010889
StatusPUBLIC

Content hashes

Canonical textcadacd83dcb346a91f6467f0677efcbaec5aee70748cd97e3a0edba30bfb39a3
Markdown92a8e838aed2a5bdf6575e39483c3ced17c8c23a9142eaf36633f2e412406c0b
PDF
Publication page8c9656fdf8313a26cc69a833602bf4f6858370be01cc029103dacce05f2ae48d
Manifest174ef8a270145f3904a2e3ebcf8a53e5c4aa01cb22b7c10a9d92d250bc89379e

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
SignatureGvn/9iyX0N4x/qUVexYj+OV/Q9q2LvFHmqBofOUAb7OUlzXGZwTKZJJoIz95r81hISVQAHD8PmkV/INM4fgnDA==
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

2026-09-17T12:13:39.411687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010889
observed 8c9656fdf8313a26cc69a833602bf4f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:39.391577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010889/manifest.json
observed 174ef8a270145f3904a2e3ebcf8a53e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:39.372816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010889/publication.md
observed 92a8e838aed2a5bdf6575e39483c3ced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:39.353970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010889/publication.txt
observed cadacd83dcb346a91f6467f0677efcba...
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.