Pith Number

pith:6PJBEPQN

pith:2018:6PJBEPQNI5VRBCEE5SK2XT2MIJ

not attested not anchored not stored refs pending

Ice loss from the interior of small airless bodies according to an idealized model

Henry H. Hsieh, Norbert Sch\"orghofer

arxiv:1802.01293 v2 · 2018-02-05 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6PJBEPQNI5VRBCEE5SK2XT2MIJ}

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	2026-05-17T23:59:53.234951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3d2123e0d476b108884ec95abcf4c426752c912d80c80921a6deea675953e94

Aliases

arxiv: 1802.01293 · arxiv_version: 1802.01293v2 · doi: 10.48550/arxiv.1802.01293 · pith_short_12: 6PJBEPQNI5VR · pith_short_16: 6PJBEPQNI5VRBCEE · pith_short_8: 6PJBEPQN

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/6PJBEPQNI5VRBCEE5SK2XT2MIJ \
  | 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: f3d2123e0d476b108884ec95abcf4c426752c912d80c80921a6deea675953e94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1c386b67582d73756d5f16811333fc262d1b255193fe995638109fb2b2ff8ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-02-05T07:58:21Z",
    "title_canon_sha256": "5b56995862c6567c9565d99bdad6d27d774f6caed43ded3f46dadb78ff585b10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01293",
    "kind": "arxiv",
    "version": 2
  }
}