Pith Number

pith:OHSQRFJF

pith:2017:OHSQRFJF3CSVWHO3JWN5PDXK35

not attested not anchored not stored refs pending

Dependence of the Martian radiation environment on atmospheric depth: Modeling and measurement

Bent Ehresmann, Cary Zeitlin, Daniel Matthi\"a, David E. Brinza, Donald M. Hassler, Eckart B\"ohm, Francis F. Badavi, Jingnan Guo, Robert F. Wimmer-Schweingruber, Scot Rafkin, Stephan B\"ottcher, Tony C. Slaba

arxiv:1712.06987 v1 · 2017-12-19 · 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{OHSQRFJF3CSVWHO3JWN5PDXK35}

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	2026-05-18T00:27:37.540163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71e5089525d8a55b1ddb4d9bd78eeadf4cb722bf4631d50e11e7f500254acb72

Aliases

arxiv: 1712.06987 · arxiv_version: 1712.06987v1 · doi: 10.48550/arxiv.1712.06987 · pith_short_12: OHSQRFJF3CSV · pith_short_16: OHSQRFJF3CSVWHO3 · pith_short_8: OHSQRFJF

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/OHSQRFJF3CSVWHO3JWN5PDXK35 \
  | 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: 71e5089525d8a55b1ddb4d9bd78eeadf4cb722bf4631d50e11e7f500254acb72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3010cbc4f616af570fb882769c31213d158ae3cb10f16de6a2d7ca8218b8aa89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-12-19T15:29:27Z",
    "title_canon_sha256": "9cb045a8f271f9518fbdab7c7db40dbf6ce2217e62b03d8dbab80c5ce3b24ff2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.06987",
    "kind": "arxiv",
    "version": 1
  }
}