OpenTechnical

OT-2026-000027433

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000027433) never changes.

Identity and time

Publication numberOT-2026-000027433 · never reused
Internal UUID01a0ae72-6998-73ff-bded-c4b64dff6816 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027433
StatusPUBLIC

Content hashes

Canonical textad22ab46ca838194e4b6df4a81d19adb5a6d778833791af68b815a41571269c1
Markdown9bc8c6a87b21b3252d4a4d80f7ec17c9964cc168ac3665111fc8940bf512a0a2
PDF
Publication page8c219a2c77b34c4ac54d8751b1ce7238ed81f0aa0db2e9f58b8bb7ce4ea6a53d
Manifest8065d24f2f274e9260146251889c0bc3b5c5bdea84e1ae247e6a758406c51e31

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
SignatureJGzwJDxSGLrLpUgMpclU2EheCfxF1F3gUc+xfff5d8tZCaAIM3o8c3h2+xLo5aKQza5s5+64suFWSu//XpYYAA==
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

2026-09-17T11:42:52.999407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027433
observed 8c219a2c77b34c4ac54d8751b1ce7238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:52.972015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027433/manifest.json
observed 8065d24f2f274e9260146251889c0bc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:52.927489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027433/publication.md
observed 9bc8c6a87b21b3252d4a4d80f7ec17c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:52.884219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027433/publication.txt
observed ad22ab46ca838194e4b6df4a81d19adb...
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.