Pith Number

pith:W5LPGIXA

pith:2012:W5LPGIXA3WDRRFEPKDZMP5XQIR

not attested not anchored not stored refs pending

The low-redshift intergalactic medium as seen in archival legacy Hubble/STIS and FUSE data

Charles W. Danforth, Evan M. Tilton, J. Michael Shull, Teresa L. Ross

arxiv:1204.3623 v1 · 2012-04-16 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W5LPGIXA3WDRRFEPKDZMP5XQIR}

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	2026-05-18T01:57:51.844903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b756f322e0dd8718948f50f2c7f6f04467ba585da219b3bd4c8c33fd5cf7049d

Aliases

arxiv: 1204.3623 · arxiv_version: 1204.3623v1 · doi: 10.48550/arxiv.1204.3623 · pith_short_12: W5LPGIXA3WDR · pith_short_16: W5LPGIXA3WDRRFEP · pith_short_8: W5LPGIXA

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/W5LPGIXA3WDRRFEPKDZMP5XQIR \
  | 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: b756f322e0dd8718948f50f2c7f6f04467ba585da219b3bd4c8c33fd5cf7049d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "115b7108c1b2d885bd6be6f1dfdc1eed08dba305a64029c85bc97997c9e131f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-16T20:00:00Z",
    "title_canon_sha256": "20984e764cf01dd19675a3f063000f09c59d8f65f869a2ded556f91bd7ffe6e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3623",
    "kind": "arxiv",
    "version": 1
  }
}