Pith Number

pith:BGBHMVUK

pith:2012:BGBHMVUK7ASA4LWF4SX2HCVPV6

not attested not anchored not stored refs pending

Collisional Excitation of the [CII] Fine Structure Transition in Interstellar Clouds

Jorge L. Pineda, Paul F. Goldsmith, T. Velusamy, William D. Langer

arxiv:1209.4536 v2 · 2012-09-20 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BGBHMVUK7ASA4LWF4SX2HCVPV6}

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	2026-05-18T01:54:20.681423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

098276568af8240e2ec5e4afa38aafafb7417c5004207c0b3ccf8f578533bf20

Aliases

arxiv: 1209.4536 · arxiv_version: 1209.4536v2 · doi: 10.48550/arxiv.1209.4536 · pith_short_12: BGBHMVUK7ASA · pith_short_16: BGBHMVUK7ASA4LWF · pith_short_8: BGBHMVUK

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/BGBHMVUK7ASA4LWF4SX2HCVPV6 \
  | 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: 098276568af8240e2ec5e4afa38aafafb7417c5004207c0b3ccf8f578533bf20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79470a67c3ea4eec2cee25461b38c017fd7718d4302b676abd3ede734509bb95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-09-20T14:07:00Z",
    "title_canon_sha256": "235aa559fd00978797d2d53f8e59a40a259e357dd3a74b2d066ae5d51ddeab8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4536",
    "kind": "arxiv",
    "version": 2
  }
}