Pith Number

pith:EQZYERKC

pith:2015:EQZYERKC37FCB26MXXKEXPPKJE

not attested not anchored not stored refs pending

Effects of Ohmic and ambipolar diffusion on the formation and evolution of the first cores, protostars and circumstellar discs

Kazunari Iwasaki, Masahiro N. Machida, Satoshi Okuzumi, Shu-ichiro Inutsuka, Yusuke Tsukamoto

arxiv:1503.04901 v3 · 2015-03-17 · astro-ph.SR · 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{EQZYERKC37FCB26MXXKEXPPKJE}

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	2026-05-18T01:36:54.173378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2433824542dfca20ebccbdd44bbdea4917d5f6b71c9790cf826e13563764489f

Aliases

arxiv: 1503.04901 · arxiv_version: 1503.04901v3 · doi: 10.48550/arxiv.1503.04901 · pith_short_12: EQZYERKC37FC · pith_short_16: EQZYERKC37FCB26M · pith_short_8: EQZYERKC

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/EQZYERKC37FCB26MXXKEXPPKJE \
  | 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: 2433824542dfca20ebccbdd44bbdea4917d5f6b71c9790cf826e13563764489f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84e0f6d17fec6269945339673d844f35ef4ae8677ad1d3e80d8f72a3ecc72e67",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-03-17T03:18:10Z",
    "title_canon_sha256": "e383b57b0ba4d42383b658a8d8379ed5ea1f29a46c651f1dbd5588f54e8e6bb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04901",
    "kind": "arxiv",
    "version": 3
  }
}