OpenTechnical

OT-2026-000040683

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000040683) never changes.

Identity and time

Publication numberOT-2026-000040683 · never reused
Internal UUID01a0ae79-6d0f-7b26-9dbd-1ae546b857d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040683
StatusPUBLIC

Content hashes

Canonical textbf2855b870f7720b2c3fa0b05e98b78b4d233cb1fa502f624303d842f3292f12
Markdown771133ecfae9e778b685772d160bc162eb540e1a9debfe34338d0b30d5aaa53c
PDF
Publication page3ffc871203aa985caa97e060f6074d88032d8b319b59e58ed360172b853728ce
Manifest92a9c20bba84b01c3c99d8383cb9a5c6673c3200d3d6a6c943893f5d9b202e5e

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
Signaturel8hF1uyZ0dFtHgCEu5EhoqT0scPV2UJTGf/bNmru3kpY2vXmBPmKrQ54NA3yu84dJStHDFGUwZPp026BX5nmAA==
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

2026-09-17T11:17:52.737827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040683
observed 3ffc871203aa985caa97e060f6074d88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.720740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040683/manifest.json
observed 92a9c20bba84b01c3c99d8383cb9a5c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.703601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040683/publication.md
observed 771133ecfae9e778b685772d160bc162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.685211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040683/publication.txt
observed bf2855b870f7720b2c3fa0b05e98b78b...
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.