Pith Number

pith:74HJBKWE

pith:2009:74HJBKWE6GNC2BGT7HEU3WI2FY

not attested not anchored not stored refs pending

Fe-peak element abundances in disk and halo stars

Maria Bergemann, Thomas Gehren

arxiv:0910.3689 v1 · 2009-10-19 · 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{74HJBKWE6GNC2BGT7HEU3WI2FY}

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	2026-05-18T02:11:14.083311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff0e90aac4f19a2d04d3f9c94dd91a2e3608d787dd00ffc3c8003bfa7a08f358

Aliases

arxiv: 0910.3689 · arxiv_version: 0910.3689v1 · doi: 10.48550/arxiv.0910.3689 · pith_short_12: 74HJBKWE6GNC · pith_short_16: 74HJBKWE6GNC2BGT · pith_short_8: 74HJBKWE

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/74HJBKWE6GNC2BGT7HEU3WI2FY \
  | 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: ff0e90aac4f19a2d04d3f9c94dd91a2e3608d787dd00ffc3c8003bfa7a08f358

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "629b820ef551c95e52d86e3d9ab446439f2a6f82f201e4601d477776cee3d933",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-10-19T20:37:21Z",
    "title_canon_sha256": "995646695fe8b6279e0ce2e8d5e49a0435c0cbac8b6a51efde736276557fb258"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3689",
    "kind": "arxiv",
    "version": 1
  }
}