Pith Number

pith:SSUX3RMS

pith:2015:SSUX3RMSAEHSO6FZ4663EI3QQJ

not attested not anchored not stored refs pending

The Composition of Interstellar Grains Toward Zeta Ophiuchi: Constraining the Elemental Budget Near the Diffuse-Dense Cloud Transition

Bruce T. Draine, Charles A. Poteet, Douglas C. B. Whittet

arxiv:1501.02810 v1 · 2015-01-12 · 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{SSUX3RMSAEHSO6FZ4663EI3QQJ}

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	2026-05-18T01:41:11.473234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94a97dc592010f2778b9e7bdb22370824835fe6bd602e7fc34c3d221fced4758

Aliases

arxiv: 1501.02810 · arxiv_version: 1501.02810v1 · doi: 10.48550/arxiv.1501.02810 · pith_short_12: SSUX3RMSAEHS · pith_short_16: SSUX3RMSAEHSO6FZ · pith_short_8: SSUX3RMS

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/SSUX3RMSAEHSO6FZ4663EI3QQJ \
  | 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: 94a97dc592010f2778b9e7bdb22370824835fe6bd602e7fc34c3d221fced4758

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55f7fc10b2f9281ec71802073b58a45f118eeff8c7248585b21dfc28fbf0562f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-01-12T21:00:15Z",
    "title_canon_sha256": "4f449db566891bdfb0e7a6ed1e5f448f4210d106c7310008e1b254f179fd83eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02810",
    "kind": "arxiv",
    "version": 1
  }
}