Pith Number

pith:QQSBVHT7

pith:2010:QQSBVHT7R2D2UQUHN3S3JPPNNK

not attested not anchored not stored refs pending

APOSTLE Observations of GJ 1214b: System Parameters and Evidence for Stellar Activity

A. C. Becker, A. Mukadam, B. Williams, E. Agol, P. Kundurthy, R. Barnes

arxiv:1012.1180 v1 · 2010-12-06 · astro-ph.EP · 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{QQSBVHT7R2D2UQUHN3S3JPPNNK}

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	2026-05-18T02:04:32.567719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84241a9e7f8e87aa42876ee5b4bded6a97137b6a6a2f9b06db1dcdf4db9d8514

Aliases

arxiv: 1012.1180 · arxiv_version: 1012.1180v1 · doi: 10.48550/arxiv.1012.1180 · pith_short_12: QQSBVHT7R2D2 · pith_short_16: QQSBVHT7R2D2UQUH · pith_short_8: QQSBVHT7

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/QQSBVHT7R2D2UQUHN3S3JPPNNK \
  | 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: 84241a9e7f8e87aa42876ee5b4bded6a97137b6a6a2f9b06db1dcdf4db9d8514

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "726a029dea5856398161afd173d907c5d786708bf899267df18cfd9251afdc2a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2010-12-06T14:26:33Z",
    "title_canon_sha256": "1a4e83bcfae8b1856f96602e3eb3e300b2fb74fda8ee878fa52ba2fdfb711a99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1180",
    "kind": "arxiv",
    "version": 1
  }
}