Pith Number

pith:IXT4YZMD

pith:2019:IXT4YZMDWWCRICJXNRKUAXIGYM

not attested not anchored not stored refs pending

Astro2020 Science White Paper: Probing the Structure of Interstellar Dust from Micron to Kpc Scales with X-ray Imaging

Bruce Draine, Elisa Costantini, Frits Paerels, Geoffrey C. Clayton, Joern Wilms, Julia Lee, Lia Corrales, Lynne Valencic, Randall K. Smith, Sebastian Heinz, Tea Temim

arxiv:1905.00376 v1 · 2019-05-01 · astro-ph.HE · astro-ph.EP · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IXT4YZMDWWCRICJXNRKUAXIGYM}

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	2026-05-17T23:47:13.043229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45e7cc6583b5851409376c55405d06c31bc41b9ffd29bf4d57f23306084a140f

Aliases

arxiv: 1905.00376 · arxiv_version: 1905.00376v1 · doi: 10.48550/arxiv.1905.00376 · pith_short_12: IXT4YZMDWWCR · pith_short_16: IXT4YZMDWWCRICJX · pith_short_8: IXT4YZMD

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/IXT4YZMDWWCRICJXNRKUAXIGYM \
  | 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: 45e7cc6583b5851409376c55405d06c31bc41b9ffd29bf4d57f23306084a140f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a89b0d849efdf1b7e65d0bdf75f14dc95b4978faa5441c20818e5210ce73c5c",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-05-01T16:54:01Z",
    "title_canon_sha256": "dd0b34f7b669d4293f7425731bedee8fabe47da247880ae68a13d9ccfc8f1e5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00376",
    "kind": "arxiv",
    "version": 1
  }
}