Pith Number

pith:DA7CK6XT

pith:2019:DA7CK6XTGDCJV7PPUKSAWQEXPB

not attested not anchored not stored refs pending

A hydrodynamic approach to the classical ideal gas

Bartolom\'e Coll, Joan Josep Ferrando, Juan Antonio S\'aez

arxiv:1902.03106 v1 · 2019-02-08 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DA7CK6XTGDCJV7PPUKSAWQEXPB}

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	2026-05-17T23:47:58.158900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

183e257af330c49afdefa2a40b40977870abc0dfb0d997acf37c4a80d13f91dc

Aliases

arxiv: 1902.03106 · arxiv_version: 1902.03106v1 · doi: 10.48550/arxiv.1902.03106 · pith_short_12: DA7CK6XTGDCJ · pith_short_16: DA7CK6XTGDCJV7PP · pith_short_8: DA7CK6XT

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/DA7CK6XTGDCJV7PPUKSAWQEXPB \
  | 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: 183e257af330c49afdefa2a40b40977870abc0dfb0d997acf37c4a80d13f91dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae66ee24ed2b0a9a2ba420811ae351f11c3f6ebe3b4674084eb5bac8d918b2e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-02-08T14:38:15Z",
    "title_canon_sha256": "69f1147d940ca634166d914ea5bdf8995ac8db79ee3acfe4ca032f580e801ded"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03106",
    "kind": "arxiv",
    "version": 1
  }
}