Pith Number

pith:QUB7QUYY

pith:2012:QUB7QUYY4UB2VLKTWJEUDIWUTJ

not attested not anchored not stored refs pending

Far- and mid-infrared spectroscopy of complex organic matter of astrochemical interest: coal, heavy petroleum fractions, and asphaltenes

A. Manchado, D. A. Garcia-Hernandez, F. Cataldo

arxiv:1212.0971 v1 · 2012-12-05 · astro-ph.SR · astro-ph.IM · physics.chem-ph · 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{QUB7QUYY4UB2VLKTWJEUDIWUTJ}

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	2026-05-18T01:52:47.550583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8503f85318e503aaad53b24941a2d49a784670e4409821aae09d640fbdb5dc8e

Aliases

arxiv: 1212.0971 · arxiv_version: 1212.0971v1 · doi: 10.48550/arxiv.1212.0971 · pith_short_12: QUB7QUYY4UB2 · pith_short_16: QUB7QUYY4UB2VLKT · pith_short_8: QUB7QUYY

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/QUB7QUYY4UB2VLKTWJEUDIWUTJ \
  | 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: 8503f85318e503aaad53b24941a2d49a784670e4409821aae09d640fbdb5dc8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "700a201b69d4689d5cdfbecb650128406228c3dff3b44d475e96d24f7abd74c4",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "physics.chem-ph",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-12-05T09:09:51Z",
    "title_canon_sha256": "b0a1f666cd46f88689f4c672b8bc06b63d628f1e20283d0eaa01c7498f967257"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0971",
    "kind": "arxiv",
    "version": 1
  }
}