Pith Number

pith:EHCEIXCG

pith:2013:EHCEIXCGI2AJ5TW5WTEXSVOC5S

not attested not anchored not stored refs pending

A Porous, Layered Heliopause

J. F. Drake, M. Opher, M. Swisdak

arxiv:1307.0850 v1 · 2013-07-02 · astro-ph.SR · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EHCEIXCGI2AJ5TW5WTEXSVOC5S}

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	2026-05-18T01:49:00.464218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21c4445c4646809eceddb4c97955c2eca6e4818089086a1e6892afe1caa7083e

Aliases

arxiv: 1307.0850 · arxiv_version: 1307.0850v1 · doi: 10.48550/arxiv.1307.0850 · pith_short_12: EHCEIXCGI2AJ · pith_short_16: EHCEIXCGI2AJ5TW5 · pith_short_8: EHCEIXCG

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/EHCEIXCGI2AJ5TW5WTEXSVOC5S \
  | 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: 21c4445c4646809eceddb4c97955c2eca6e4818089086a1e6892afe1caa7083e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4bceaf18605c686b034b5e0746ce49c18febc7a99f87f0d6c1efffc6b261048",
    "cross_cats_sorted": [
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-07-02T21:02:31Z",
    "title_canon_sha256": "822d582e1313713f3e5b339ba801060ab342fe21c081c46767c011b65cc2c5b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0850",
    "kind": "arxiv",
    "version": 1
  }
}