Pith Number

pith:SAQCSCKE

pith:2012:SAQCSCKEPNPQTGHI2O5NEL5SGE

not attested not anchored not stored refs pending

Spitzer observations of NGC2264: The nature of the disk population

C. J. Lada, E. A. Lada, M. Marengo, P. S. Teixeira

arxiv:1203.3754 v1 · 2012-03-16 · astro-ph.SR · 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{SAQCSCKEPNPQTGHI2O5NEL5SGE}

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	2026-05-18T01:58:06.606544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90202909447b5f0998e8d3bad22fb231216158e889452ddc54802f2a626a54d6

Aliases

arxiv: 1203.3754 · arxiv_version: 1203.3754v1 · doi: 10.48550/arxiv.1203.3754 · pith_short_12: SAQCSCKEPNPQ · pith_short_16: SAQCSCKEPNPQTGHI · pith_short_8: SAQCSCKE

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/SAQCSCKEPNPQTGHI2O5NEL5SGE \
  | 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: 90202909447b5f0998e8d3bad22fb231216158e889452ddc54802f2a626a54d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "598d68b61db0e524e58dc7f4a33d44362272f70e7ae7e6362eb3355ed655a621",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-03-16T16:24:17Z",
    "title_canon_sha256": "01ef36269847b26fe0b28304369fcce88a4664f82541e5d4bb218f7354a80830"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3754",
    "kind": "arxiv",
    "version": 1
  }
}