Pith Number

pith:SIHPSBEC

pith:2010:SIHPSBECSLUTHICH7FA6AWCNEG

not attested not anchored not stored refs pending

Circumstellar molecular composition of the oxygen-rich AGB star IK~Tau: II. In-depth non-LTE chemical abundance analysis

A. de Koter, E. De Beck, F. Wyrowski, H. Kim, H.S.P. Muller, K.M. Menten, K. Willacy, L. Decin, S. Brunken

arxiv:1004.1914 v1 · 2010-04-12 · 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{SIHPSBECSLUTHICH7FA6AWCNEG}

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	2026-05-18T02:08:06.803780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

920ef9048292e933a047f941e0584d21a514f7380cda79600b841339eb822b02

Aliases

arxiv: 1004.1914 · arxiv_version: 1004.1914v1 · doi: 10.48550/arxiv.1004.1914 · pith_short_12: SIHPSBECSLUT · pith_short_16: SIHPSBECSLUTHICH · pith_short_8: SIHPSBEC

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/SIHPSBECSLUTHICH7FA6AWCNEG \
  | 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: 920ef9048292e933a047f941e0584d21a514f7380cda79600b841339eb822b02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d29a34f89faa1440f1ae4f0ea7d316316a6973d8e0b834fdedd75561510e420d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-04-12T10:02:45Z",
    "title_canon_sha256": "5d9cc9b20eaefa01567ec234c1377d463981900a3fd8b20d89d88190c6857347"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.1914",
    "kind": "arxiv",
    "version": 1
  }
}