Pith Number

pith:ZH75X7IZ

pith:2013:ZH75X7IZFZXNMEDHYV7OHY5KF5

not attested not anchored not stored refs pending

The origin of the 3.4 micron feature in Wild 2 cometary particles and in ultracarbonaceous interplanetary dust particles

Dave Joswiak, Don Brownlee, George Flynn, Graciela Matrajt, Sasa Bajt

arxiv:1301.7470 v1 · 2013-01-30 · 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{ZH75X7IZFZXNMEDHYV7OHY5KF5}

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	2026-05-18T01:51:56.853958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9ffdbfd192e6ed61067c57ee3e3aa2f4b47b766ed5b12ec656d92e717ae592c

Aliases

arxiv: 1301.7470 · arxiv_version: 1301.7470v1 · doi: 10.48550/arxiv.1301.7470 · pith_short_12: ZH75X7IZFZXN · pith_short_16: ZH75X7IZFZXNMEDH · pith_short_8: ZH75X7IZ

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/ZH75X7IZFZXNMEDHYV7OHY5KF5 \
  | 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: c9ffdbfd192e6ed61067c57ee3e3aa2f4b47b766ed5b12ec656d92e717ae592c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67d784bf1650fb896aaf16afd7472132ce88ee7acb752f7fc3e7e8adc2d4774a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-01-30T23:36:32Z",
    "title_canon_sha256": "b6e78437e267584d330255983b2bee57d5cfc68cd38624571da117ca70b6d9f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.7470",
    "kind": "arxiv",
    "version": 1
  }
}