Pith Number

pith:D2VI7A74

pith:2024:D2VI7A747TLVPPJWAO4W7HE6YV

not attested not anchored not stored refs pending

From Physics to Sentience: Deciphering the Semantics of the Free-Energy Principle and Evaluating its Claims

Adam Safron, Casper Hesp, Guillaume Dumas, Zahra Sheikhbahaee

arxiv:2401.08873 v1 · 2024-01-16 · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D2VI7A747TLVPPJWAO4W7HE6YV}

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	2026-07-05T07:34:22.834950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1eaa8f83fcfcd757bd3603b96f9c9ec551169444dc180c559b337a1eb15a2eea

Aliases

arxiv: 2401.08873 · arxiv_version: 2401.08873v1 · doi: 10.48550/arxiv.2401.08873 · pith_short_12: D2VI7A747TLV · pith_short_16: D2VI7A747TLVPPJW · pith_short_8: D2VI7A74

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/D2VI7A747TLVPPJWAO4W7HE6YV \
  | 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: 1eaa8f83fcfcd757bd3603b96f9c9ec551169444dc180c559b337a1eb15a2eea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c1f1fad84b36895baf9927da61d8e72b66720f21320e8805275596ea02fdf9f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2024-01-16T23:11:51Z",
    "title_canon_sha256": "025ee3d2db4d860f1cbbb08cfb53ace58082baf59fb4c740caf2fa70e37b1ce1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.08873",
    "kind": "arxiv",
    "version": 1
  }
}