Pith Number

pith:KAQJADTP

pith:2011:KAQJADTPRSBE6BVGLDNRSFVP64

not attested not anchored not stored refs pending

Spectral Polarization of the Redshifted 21 cm Absorption Line Toward 3C 286

Arthur M. Wolfe, Carl Heiles, J. Xavier Prochaska, Regina A. Jorgenson, Timothy Robishaw

arxiv:1103.4167 v1 · 2011-03-21 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KAQJADTPRSBE6BVGLDNRSFVP64}

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	2026-05-18T02:02:48.463775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5020900e6f8c824f06a658db1916aff716925dc6ab8ad0e552ccf3ae54c101a9

Aliases

arxiv: 1103.4167 · arxiv_version: 1103.4167v1 · doi: 10.48550/arxiv.1103.4167 · pith_short_12: KAQJADTPRSBE · pith_short_16: KAQJADTPRSBE6BVG · pith_short_8: KAQJADTP

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/KAQJADTPRSBE6BVGLDNRSFVP64 \
  | 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: 5020900e6f8c824f06a658db1916aff716925dc6ab8ad0e552ccf3ae54c101a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a11ff1cbf9ef365c3380ef77dbad31b27bd6e57e00e5ae8d8603cb9ba9403d71",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-03-21T22:06:23Z",
    "title_canon_sha256": "0dcd678390d027fe876eccc78afceeba05622f7c8f90d12cbf555f0957573ef9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4167",
    "kind": "arxiv",
    "version": 1
  }
}