Pith Number

pith:CKAREDW3

pith:2016:CKAREDW37I77VPYF2QLMLEJJ37

not attested not anchored not stored refs pending

A Herschel view of protoplanetary disks in the $\sigma$ Ori cluster

Babar Ali, C\'esar Brice\~no, Javier Ballesteros-Paredes, Jes\'us Hern\'andez, Karina Mauc\'o, Kassandra Anderson, Melissa McClure, Nuria Calvet, Paola D'Alessio

arxiv:1607.01357 v1 · 2016-07-05 · astro-ph.EP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CKAREDW37I77VPYF2QLMLEJJ37}

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	2026-05-18T01:03:49.195896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1281120edbfa3ffabf05d416c59129dfd20542ebb4e5e9f65b5e1a25c4841c86

Aliases

arxiv: 1607.01357 · arxiv_version: 1607.01357v1 · doi: 10.48550/arxiv.1607.01357 · pith_short_12: CKAREDW37I77 · pith_short_16: CKAREDW37I77VPYF · pith_short_8: CKAREDW3

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/CKAREDW37I77VPYF2QLMLEJJ37 \
  | 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: 1281120edbfa3ffabf05d416c59129dfd20542ebb4e5e9f65b5e1a25c4841c86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f01604256673075520c970fccae94ddf8565a0a2f1807c7499aaf77dbcc2c809",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-07-05T18:19:53Z",
    "title_canon_sha256": "affbb564c858fc4e63fad35eabb3b892b55046e99c1908543202adcfcefa8eab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.01357",
    "kind": "arxiv",
    "version": 1
  }
}