Pith Number

pith:CSH37NNP

pith:2016:CSH37NNPGFIXGPJCBDHU2CGMOJ

not attested not anchored not stored refs pending

Spitzer Observations of Long Term Infrared Variability Among Young Stellar Objects in Chamaeleon I

Elise Furlan, James Muzerolle, Kevin M. Flaherty, Lindsay DeMarchi, Robert Gutermuth, S. Thomas Megeath, William Herbst, Zoltan Balog

arxiv:1609.09100 v1 · 2016-09-28 · 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{CSH37NNPGFIXGPJCBDHU2CGMOJ}

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	2026-05-18T00:55:07.585171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

148fbfb5af3151733d2208cf4d08cc726bdc0dfa3697036fa17c215b6ced228b

Aliases

arxiv: 1609.09100 · arxiv_version: 1609.09100v1 · doi: 10.48550/arxiv.1609.09100 · pith_short_12: CSH37NNPGFIX · pith_short_16: CSH37NNPGFIXGPJC · pith_short_8: CSH37NNP

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/CSH37NNPGFIXGPJCBDHU2CGMOJ \
  | 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: 148fbfb5af3151733d2208cf4d08cc726bdc0dfa3697036fa17c215b6ced228b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2ad94e4c4492caeedbec15dece4dad34ba770be09d6d77a9be4461c6868bef9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-09-28T20:13:36Z",
    "title_canon_sha256": "948ba12767510cf0f2752b42036ceb8fdb7ac553258f56de0bef28497438b5e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.09100",
    "kind": "arxiv",
    "version": 1
  }
}