Pith Number

pith:ZXEKM35R

pith:2008:ZXEKM35RPGF3FHYQTWMOFB3YGT

not attested not anchored not stored refs pending

The Galactic Disk-Halo transition - Evidence from Stellar Abundances

Poul E. Nissen, William J. Schuster

arxiv:0807.3831 v1 · 2008-07-24 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZXEKM35RPGF3FHYQTWMOFB3YGT}

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	2026-05-18T02:15:44.591828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdc8a66fb1798bb29f109d98e2877834fc61f0235d76dc0696be16037421008a

Aliases

arxiv: 0807.3831 · arxiv_version: 0807.3831v1 · doi: 10.48550/arxiv.0807.3831 · pith_short_12: ZXEKM35RPGF3 · pith_short_16: ZXEKM35RPGF3FHYQ · pith_short_8: ZXEKM35R

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/ZXEKM35RPGF3FHYQTWMOFB3YGT \
  | 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: cdc8a66fb1798bb29f109d98e2877834fc61f0235d76dc0696be16037421008a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e292afd358560841d75a390acfb10ffdf6a5e796c911c7f0967e7ee0f788d229",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-07-24T09:40:49Z",
    "title_canon_sha256": "5c0e7659f8934018fa31da3c18240f2774ac332a2abdf68a2b52d3aa8aebffb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.3831",
    "kind": "arxiv",
    "version": 1
  }
}