Pith Number

pith:EKX7UC5O

pith:2010:EKX7UC5O54YTLMNTK76SEQEJXB

not attested not anchored not stored refs pending

Spitzer Observations of the Lambda Orionis cluster. II. Disks around solar-type and low mass stars

Jesus Hernandez, J. Muzerolle, J. Stauffer, K. L. Luhman, L. Hartmann, Maria Morales-Calderon, Nuria Calvet, R. Gutermuth

arxiv:1008.3916 v1 · 2010-08-23 · 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{EKX7UC5O54YTLMNTK76SEQEJXB}

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	2026-05-18T02:05:43.571131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22affa0baeef3135b1b357fd224089b8654c9be125f53f93306b86a626965bb2

Aliases

arxiv: 1008.3916 · arxiv_version: 1008.3916v1 · doi: 10.48550/arxiv.1008.3916 · pith_short_12: EKX7UC5O54YT · pith_short_16: EKX7UC5O54YTLMNT · pith_short_8: EKX7UC5O

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/EKX7UC5O54YTLMNTK76SEQEJXB \
  | 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: 22affa0baeef3135b1b357fd224089b8654c9be125f53f93306b86a626965bb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29e40ed7fa9f16aefb671153088b7e7ff81d2ff1a5330769c3002269960ceab2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-08-23T20:53:14Z",
    "title_canon_sha256": "b36397444bee85568d7021754ac294628e1bc17786d4413688b487dd631af4a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3916",
    "kind": "arxiv",
    "version": 1
  }
}