Pith Number

pith:H3X7RBFN

pith:2013:H3X7RBFNSLX7YHTQ2AR2KGTJMO

not attested not anchored not stored refs pending

Effects of grain growth mechanisms on the extinction curve and the metal depletion in the interstellar medium

Hiroyuki Hirashita, Nikolai V. Voshchinnikov

arxiv:1310.4679 v1 · 2013-10-17 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H3X7RBFNSLX7YHTQ2AR2KGTJMO}

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	2026-05-18T01:46:58.491676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3eeff884ad92effc1e70d023a51a6963bfb216a8a2230bf6175953ce52ceb282

Aliases

arxiv: 1310.4679 · arxiv_version: 1310.4679v1 · doi: 10.48550/arxiv.1310.4679 · pith_short_12: H3X7RBFNSLX7 · pith_short_16: H3X7RBFNSLX7YHTQ · pith_short_8: H3X7RBFN

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/H3X7RBFNSLX7YHTQ2AR2KGTJMO \
  | 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: 3eeff884ad92effc1e70d023a51a6963bfb216a8a2230bf6175953ce52ceb282

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d95a71f4af4abc7dcfb7f587c87f701e77bab51f1c974d722071c4a02e9f0304",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-10-17T12:54:35Z",
    "title_canon_sha256": "cd44b2f4d30dcf964df752d98804223666041a482d95213a2e3fb59d049326d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4679",
    "kind": "arxiv",
    "version": 1
  }
}