Pith Number

pith:FQVRMFWN

pith:2005:FQVRMFWNP4K4EUCF4KPQLJ2EHJ

not attested not anchored not stored refs pending

The Low-Redshift Lyman Alpha Forest toward PKS 0405-123

E.B. Jenkins, E. Ellingson, G.M. Williger, R. Dave, R.F. Carswell, R.J. Weymann, S.R. Heap, T.M. Tripp

arxiv:astro-ph/0505586 v2 · 2005-05-29 · 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{FQVRMFWNP4K4EUCF4KPQLJ2EHJ}

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	2026-07-04T15:17:26.173135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c2b1616cd7f15c25045e29f05a7443a40fca24dc9cba3c0de6318eb32a699c0

Aliases

arxiv: astro-ph/0505586 · arxiv_version: astro-ph/0505586v2 · doi: 10.48550/arxiv.astro-ph/0505586 · pith_short_12: FQVRMFWNP4K4 · pith_short_16: FQVRMFWNP4K4EUCF · pith_short_8: FQVRMFWN

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/FQVRMFWNP4K4EUCF4KPQLJ2EHJ \
  | 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: 2c2b1616cd7f15c25045e29f05a7443a40fca24dc9cba3c0de6318eb32a699c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9463e99929ab5e324cb81ce03ca2bc84971a7cc5a56005624190aaf9d9b3a07",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-05-29T21:40:21Z",
    "title_canon_sha256": "711238eb75ac09016b32b486497dd36a9e965c0fe85050877c13e585dd2d4b5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0505586",
    "kind": "arxiv",
    "version": 2
  }
}