Pith Number

pith:ZZ4O7S5F

pith:2015:ZZ4O7S5F67ZOXZYAV4UEHJCI3G

not attested not anchored not stored refs pending

The FERRUM project: Experimental lifetimes and transition probabilities from highly excited even 4d levels in Fe ii

2), (3) Department of Physics, H. Hartman (1, H. Lundberg (3) ((1) Malm\"o University, H. Nilsson (2), L. Engstr\"om (3), Lund University, Sweden, Sweden), Sweden (2) Lund Observatory

arxiv:1509.06155 v1 · 2015-09-21 · astro-ph.SR · physics.atom-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{ZZ4O7S5F67ZOXZYAV4UEHJCI3G}

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	2026-05-18T01:01:01.112346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce78efcba5f7f2ebe700af2843a448d99b562ab05c39db55b70405245aaa02d4

Aliases

arxiv: 1509.06155 · arxiv_version: 1509.06155v1 · doi: 10.48550/arxiv.1509.06155 · pith_short_12: ZZ4O7S5F67ZO · pith_short_16: ZZ4O7S5F67ZOXZYA · pith_short_8: ZZ4O7S5F

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/ZZ4O7S5F67ZOXZYAV4UEHJCI3G \
  | 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: ce78efcba5f7f2ebe700af2843a448d99b562ab05c39db55b70405245aaa02d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cccdcf4127ab7f1a1b674638000b90b0a6efc8a8ca735835ffa6ab5a6e790631",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-21T08:57:53Z",
    "title_canon_sha256": "327be77c8f8a65311a301ecb3b952d1d604cf716769a290d65e13a4c166c8fdb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06155",
    "kind": "arxiv",
    "version": 1
  }
}