Pith Number

pith:T4KIMJ2A

pith:2026:T4KIMJ2AKPGRVCZUMTDMLYXKFB

not attested not anchored not stored refs pending

Learning the Brain's Dynamics as a Port-Hamiltonian System

Dibakar Sigdel

arxiv:2607.10439 v1 · 2026-07-11 · q-bio.NC · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T4KIMJ2AKPGRVCZUMTDMLYXKFB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-14T01:21:16.035919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f1486274053cd1a8b3464c6c5e2ea2853d23b32fc651cd8dd391f07ae6e673b

Aliases

arxiv: 2607.10439 · arxiv_version: 2607.10439v1 · doi: 10.48550/arxiv.2607.10439 · pith_short_12: T4KIMJ2AKPGR · pith_short_16: T4KIMJ2AKPGRVCZU · pith_short_8: T4KIMJ2A

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/T4KIMJ2AKPGRVCZUMTDMLYXKFB \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 9f1486274053cd1a8b3464c6c5e2ea2853d23b32fc651cd8dd391f07ae6e673b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf2e9daa0690886d59ab56a97918b1ccb0c0298c2d78c41c5b751d78ab3848a7",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2026-07-11T18:44:54Z",
    "title_canon_sha256": "f729eebe5bea8b5308204239b7cc62dc804fa0581583c3e79ce93e7eac80b448"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.10439",
    "kind": "arxiv",
    "version": 1
  }
}