Pith Number

pith:6A42OSJZ

pith:2019:6A42OSJZT2GEDPBAZJHA7INSKB

not attested not anchored not stored refs pending

On the dust properties of high redshift molecular clouds and the connection to the 2175 {\AA} extinction bump

A. C. Andersen, A. De Cia, D. Watson, J. Japelj, J. P. U. Fynbo, K. E. Heintz, L. Kaper, P. Jakobsson, P. M{\o}ller, S. Covino, S. D. Vergani, T. Zafar

arxiv:1904.04301 v2 · 2019-04-08 · 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{6A42OSJZT2GEDPBAZJHA7INSKB}

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	2026-05-17T23:47:07.028783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f039a749399e8c41bc20ca4e0fa1b25058fc9a7762ee7a6967ef2f98c13c20a0

Aliases

arxiv: 1904.04301 · arxiv_version: 1904.04301v2 · doi: 10.48550/arxiv.1904.04301 · pith_short_12: 6A42OSJZT2GE · pith_short_16: 6A42OSJZT2GEDPBA · pith_short_8: 6A42OSJZ

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/6A42OSJZT2GEDPBAZJHA7INSKB \
  | 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: f039a749399e8c41bc20ca4e0fa1b25058fc9a7762ee7a6967ef2f98c13c20a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9341c4362a48386659fdbf78a471a83c7255a3b1425c0fad03d9a70daa307906",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-04-08T19:09:30Z",
    "title_canon_sha256": "91fdfabfec0bd72362c06fe88dadead65a4c38d96771ce4ce6feb48ec95592e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04301",
    "kind": "arxiv",
    "version": 2
  }
}