Pith Number

pith:2GQQ2RNX

pith:2016:2GQQ2RNXIWPD4ZBDHVUUBEQCUV

not attested not anchored not stored refs pending

Chromospheric Models and the Oxygen Abundance in Giant Stars

A. K. Dupree, Cambridge), E. H. Avrett, R. L. Kurucz (Harvard-Smithsonian Center for Astrophysics

arxiv:1603.07381 v1 · 2016-03-23 · 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{2GQQ2RNXIWPD4ZBDHVUUBEQCUV}

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	2026-05-18T01:16:39.420545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1a10d45b7459e3e64233d69409202a56fa2c9eb0c531f723677b1a80b358f59

Aliases

arxiv: 1603.07381 · arxiv_version: 1603.07381v1 · doi: 10.48550/arxiv.1603.07381 · pith_short_12: 2GQQ2RNXIWPD · pith_short_16: 2GQQ2RNXIWPD4ZBD · pith_short_8: 2GQQ2RNX

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/2GQQ2RNXIWPD4ZBDHVUUBEQCUV \
  | 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: d1a10d45b7459e3e64233d69409202a56fa2c9eb0c531f723677b1a80b358f59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3c4ebb0ad666a96e0c9b388be77aa51cf977a0d6c8f26f7f0db72d0907dc13e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-03-23T22:39:54Z",
    "title_canon_sha256": "d0320448b8d1ec8e27a3dff14dd4b0eb2cfd906c81c4bcbf44dcc14808411d8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07381",
    "kind": "arxiv",
    "version": 1
  }
}