Pith Number

pith:FEPVTIJM

pith:2010:FEPVTIJMBH74D6AOAGDFTLKJHS

not attested not anchored not stored refs pending

Direct Evidence for an Enhancement of Helium in Giant Stars in Omega Centauri

A. K. Dupree (CfA), Graeme H. Smith (UCO/Lick), Jay Strader (CfA)

arxiv:1012.4802 v1 · 2010-12-21 · 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{FEPVTIJMBH74D6AOAGDFTLKJHS}

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	2026-05-18T02:04:18.992843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

291f59a12c09ffc1f80e018659ad493c9ead6f7421d21522efb91468fc18034f

Aliases

arxiv: 1012.4802 · arxiv_version: 1012.4802v1 · doi: 10.48550/arxiv.1012.4802 · pith_short_12: FEPVTIJMBH74 · pith_short_16: FEPVTIJMBH74D6AO · pith_short_8: FEPVTIJM

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/FEPVTIJMBH74D6AOAGDFTLKJHS \
  | 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: 291f59a12c09ffc1f80e018659ad493c9ead6f7421d21522efb91468fc18034f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb72fa8871aaf6e238bacfa75915c46c153b8f6a97fa632ec3e27cebeb0f3d20",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-12-21T21:00:00Z",
    "title_canon_sha256": "a6b1c13543f0800d312b1015fefa74d8806dc6f15cac9e718266cfa89a616571"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.4802",
    "kind": "arxiv",
    "version": 1
  }
}