Pith Number

pith:XSAXSWKP

pith:2013:XSAXSWKP7J5FGCFGGOROWSAJ7U

not attested not anchored not stored refs pending

Distinct Chemical Regions in the "Prestellar" Infrared Dark Cloud (IRDC) G028.23-00.19

Izaskun Jimenez-Serra, James M. Jackson, Jonathan B. Foster, Patricio Sanhueza, Thushara Pillai, William J. Dirienzo

arxiv:1307.1474 v1 · 2013-07-04 · 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{XSAXSWKP7J5FGCFGGOROWSAJ7U}

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	2026-05-18T01:48:59.576279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc8179594ffa7a5308a633a2eb4809fd36bbe9b30e9f04c4a74231264fa49bf1

Aliases

arxiv: 1307.1474 · arxiv_version: 1307.1474v1 · doi: 10.48550/arxiv.1307.1474 · pith_short_12: XSAXSWKP7J5F · pith_short_16: XSAXSWKP7J5FGCFG · pith_short_8: XSAXSWKP

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/XSAXSWKP7J5FGCFGGOROWSAJ7U \
  | 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: bc8179594ffa7a5308a633a2eb4809fd36bbe9b30e9f04c4a74231264fa49bf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aef57374e222ea86cdb2e7b1be4211d75ae78db5491e6eae12e5cbf108ee471e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-07-04T20:00:08Z",
    "title_canon_sha256": "b61e0310c03839105f196323b5ffb76327baf3c17b4d6f980bd693e01d8c0700"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1474",
    "kind": "arxiv",
    "version": 1
  }
}