Pith Number

pith:WG3WJIRE

pith:2018:WG3WJIRESBGXCGCLF25XJGCRE4

not attested not anchored not stored refs pending

Thermodynamics and evolutionary biology through optimal control

Alessandro Bravetti, Pablo Padilla

arxiv:1804.03309 v1 · 2018-04-10 · q-bio.PE · math.OC · physics.bio-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WG3WJIRESBGXCGCLF25XJGCRE4}

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	2026-05-18T00:18:56.407968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1b764a224904d71184b2ebb749851273b729f07d98094affc6be892e6037fde

Aliases

arxiv: 1804.03309 · arxiv_version: 1804.03309v1 · doi: 10.48550/arxiv.1804.03309 · pith_short_12: WG3WJIRESBGX · pith_short_16: WG3WJIRESBGXCGCL · pith_short_8: WG3WJIRE

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/WG3WJIRESBGXCGCLF25XJGCRE4 \
  | 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: b1b764a224904d71184b2ebb749851273b729f07d98094affc6be892e6037fde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0d6e297d055fdbc59deebf95328650edf1d51cebde2bf75664f1efc0a160b6e",
    "cross_cats_sorted": [
      "math.OC",
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-04-10T02:03:13Z",
    "title_canon_sha256": "0e62f56550815d2662100c4392ae9cf043c91fbf255dbe4b562e45534c97e88e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03309",
    "kind": "arxiv",
    "version": 1
  }
}