Pith Number

pith:OTQ3ROK2

pith:2013:OTQ3ROK2XN3AJWOVNGSYSNG6TQ

not attested not anchored not stored refs pending

Structure of Surface-H2O Layers of Ice-covered Planets with High-pressure Ice

S. Ueta, T. Sasaki

arxiv:1308.0562 v1 · 2013-08-01 · 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{OTQ3ROK2XN3AJWOVNGSYSNG6TQ}

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	2026-05-18T01:48:24.569168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74e1b8b95abb7604d9d569a58934de9c0df11089c33ebee59a9dbb813905c8bd

Aliases

arxiv: 1308.0562 · arxiv_version: 1308.0562v1 · doi: 10.48550/arxiv.1308.0562 · pith_short_12: OTQ3ROK2XN3A · pith_short_16: OTQ3ROK2XN3AJWOV · pith_short_8: OTQ3ROK2

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/OTQ3ROK2XN3AJWOVNGSYSNG6TQ \
  | 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: 74e1b8b95abb7604d9d569a58934de9c0df11089c33ebee59a9dbb813905c8bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02bd0f79b9dde3fd7f9e8ee60b5c494d6b01716f34831ec912aba2ceb68a5513",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-08-01T11:24:58Z",
    "title_canon_sha256": "01be941fbbbc10fde4f45139e910fb8fcd10394329f804611dd971be32cbfd5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0562",
    "kind": "arxiv",
    "version": 1
  }
}