Pith Number

pith:DYVECUL7

pith:2013:DYVECUL7FE67POJX4ZO7XXEARG

not attested not anchored not stored refs pending

Effects of structural and chemical disorders on the visible/UV spectra of carbonaceous interstellar grains

M.I. Katsnelson, R.J. Papoular, R. Papoular, R. Roldan, S. Yuan

arxiv:1304.4725 v1 · 2013-04-17 · astro-ph.GA · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DYVECUL7FE67POJX4ZO7XXEARG}

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	2026-05-18T01:50:31.831897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e2a41517f293df7b937e65dfbdc8089baa16545f70fac37fcbfb10ad626d3d2

Aliases

arxiv: 1304.4725 · arxiv_version: 1304.4725v1 · doi: 10.48550/arxiv.1304.4725 · pith_short_12: DYVECUL7FE67 · pith_short_16: DYVECUL7FE67POJX · pith_short_8: DYVECUL7

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/DYVECUL7FE67POJX4ZO7XXEARG \
  | 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: 1e2a41517f293df7b937e65dfbdc8089baa16545f70fac37fcbfb10ad626d3d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "650b5f284bd2a9346beec0e15677f3ae924c65068f55c0867e98f58f2f40b3e1",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-04-17T08:05:59Z",
    "title_canon_sha256": "0de0dbcb88986a94b9bc95fa25064dd831d82010ee6c60eae8be30dca89178b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4725",
    "kind": "arxiv",
    "version": 1
  }
}