Pith Number

pith:KY2D2CJC

pith:2015:KY2D2CJCEMEBCUTTXB6EVTXPZA

not attested not anchored not stored refs pending

Akari, SCUBA2 and Herschel data of pre-stellar cores

Derek Ward-Thompson, James Di Francesco, Jason Matthew Kirk, Kate Pattle, Philippe Andr\'e

arxiv:1503.06121 v1 · 2015-03-20 · 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{KY2D2CJCEMEBCUTTXB6EVTXPZA}

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	2026-05-18T01:09:48.981139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56343d09222308115273b87c4aceefc83468792e2b51f13c816cf2ab24df5865

Aliases

arxiv: 1503.06121 · arxiv_version: 1503.06121v1 · doi: 10.48550/arxiv.1503.06121 · pith_short_12: KY2D2CJCEMEB · pith_short_16: KY2D2CJCEMEBCUTT · pith_short_8: KY2D2CJC

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/KY2D2CJCEMEBCUTTXB6EVTXPZA \
  | 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: 56343d09222308115273b87c4aceefc83468792e2b51f13c816cf2ab24df5865

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e25cebd51fa23a6a3491b1712ed9d95f4e1e393a328bfb89f9febad451599df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-20T15:46:54Z",
    "title_canon_sha256": "e13c7a429f00fbbc392502d0c0677c7576b13099bcbc55d279ddeff1d22cb829"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06121",
    "kind": "arxiv",
    "version": 1
  }
}