Pith Number

pith:NMQYTPJ5

pith:2019:NMQYTPJ5KTPARSMBQHOXYPKDAC

not attested not anchored not stored refs pending

The infrared bands of polycyclic aromatic hydrocarbons in the 1.6-1.7 {\mu}m wavelength region

Aigen Li, Tao Chen, Yi Luo

arxiv:1910.07062 v1 · 2019-10-15 · astro-ph.IM · physics.chem-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{NMQYTPJ5KTPARSMBQHOXYPKDAC}

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.

Cited by

1 paper in Pith

PDRs4All XXII. Near-Infrared continuum in the Orion Bar

Receipt and verification

First computed	2026-07-05T00:23:45.426115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b2189bd3d54de08c98181dd7c3d430082572cb221748408ba6131af60dc51f2

Aliases

arxiv: 1910.07062 · arxiv_version: 1910.07062v1 · doi: 10.48550/arxiv.1910.07062 · pith_short_12: NMQYTPJ5KTPA · pith_short_16: NMQYTPJ5KTPARSMB · pith_short_8: NMQYTPJ5

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/NMQYTPJ5KTPARSMBQHOXYPKDAC \
  | 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: 6b2189bd3d54de08c98181dd7c3d430082572cb221748408ba6131af60dc51f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52792e6669ce4228eabcbf3c7243be849adaf3bbc133b4e964e8f34e7c8661f9",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-10-15T21:36:00Z",
    "title_canon_sha256": "f49ffd1db557df9ced235404828844473f80c1da09cbff0ffe15a14b7a377470"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.07062",
    "kind": "arxiv",
    "version": 1
  }
}