Pith Number

pith:SDM7VKAQ

pith:2016:SDM7VKAQ6PI5I5YAONP44LHZJF

not attested not anchored not stored refs pending

Remarks about the thermodynamics of astrophysical systems in mutual interaction and related notions

L. Velazquez

arxiv:1603.00044 v1 · 2016-02-23 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SDM7VKAQ6PI5I5YAONP44LHZJF}

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	2026-05-18T01:18:28.785860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90d9faa810f3d1d47700735fce2cf9494cfba79f67bf70f2a779cc73a2cad360

Aliases

arxiv: 1603.00044 · arxiv_version: 1603.00044v1 · doi: 10.48550/arxiv.1603.00044 · pith_short_12: SDM7VKAQ6PI5 · pith_short_16: SDM7VKAQ6PI5I5YA · pith_short_8: SDM7VKAQ

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/SDM7VKAQ6PI5I5YAONP44LHZJF \
  | 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: 90d9faa810f3d1d47700735fce2cf9494cfba79f67bf70f2a779cc73a2cad360

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26d98ab6523838dd9a8380be7449dd72f18c4a051894d4e54c27c05a08aba629",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-02-23T05:32:35Z",
    "title_canon_sha256": "9f47ee03fba1d0d5864d82ccfb658c918a2be9d1cee77a4d8a526fd8799eafb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00044",
    "kind": "arxiv",
    "version": 1
  }
}