Pith Number

pith:ENRJTI6K

pith:2009:ENRJTI6KWIZITQX25Q7QISP5LO

not attested not anchored not stored refs pending

The FERRUM project: Transition probabilities for forbidden lines in [FeII] and experimental metastable lifetimes

E. Backstrom, H. Hartman, H. Nilsson, J. Gurell, L.O. Norlin, P. Royen, R. Blackwell-Whitehead, S. Mannervik

arxiv:0910.0699 v1 · 2009-10-05 · 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{ENRJTI6KWIZITQX25Q7QISP5LO}

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	2026-05-18T02:11:26.824780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

236299a3cab23289c2faec3f0449fd5b87be0e715b310b946887b4f52f13296a

Aliases

arxiv: 0910.0699 · arxiv_version: 0910.0699v1 · doi: 10.48550/arxiv.0910.0699 · pith_short_12: ENRJTI6KWIZI · pith_short_16: ENRJTI6KWIZITQX2 · pith_short_8: ENRJTI6K

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/ENRJTI6KWIZITQX25Q7QISP5LO \
  | 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: 236299a3cab23289c2faec3f0449fd5b87be0e715b310b946887b4f52f13296a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be8f31285585d7db13c034961fe6e6a1803ff68e69e156bfc7c7cf4ee9b6f8a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-10-05T09:06:42Z",
    "title_canon_sha256": "c6c9ea76f5028e8bd9e7f1cfe2cbd200de7906b448c353fe8d24e25a7c64c2ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0699",
    "kind": "arxiv",
    "version": 1
  }
}