Pith Number

pith:ZNI53CP2

pith:2017:ZNI53CP2NCRKRDUETFAQZW4WLQ

not attested not anchored not stored refs pending

Iron Snow in the Martian Core?

and Anne Pommier, Christopher Davies

arxiv:1709.01100 v1 · 2017-09-04 · physics.geo-ph · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZNI53CP2NCRKRDUETFAQZW4WLQ}

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	2026-05-18T00:31:11.752944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb51dd89fa68a2a88e8499410cdb965c367d2d46816e6df2b785f167dda9f7e0

Aliases

arxiv: 1709.01100 · arxiv_version: 1709.01100v1 · doi: 10.48550/arxiv.1709.01100 · pith_short_12: ZNI53CP2NCRK · pith_short_16: ZNI53CP2NCRKRDUE · pith_short_8: ZNI53CP2

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/ZNI53CP2NCRKRDUETFAQZW4WLQ \
  | 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: cb51dd89fa68a2a88e8499410cdb965c367d2d46816e6df2b785f167dda9f7e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d41e63880db3c4b6c4b596ab1104bb0393090bf13cb2b13f475875a2051624ed",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2017-09-04T18:07:14Z",
    "title_canon_sha256": "d139599100d01973cc89ca32273c6f7960870944cfd4ba270b9e37788f548f40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01100",
    "kind": "arxiv",
    "version": 1
  }
}