Pith Number

pith:WMC6KBEY

pith:2011:WMC6KBEYMXP4L54KVSECPXPKBR

not attested not anchored not stored refs pending

Water vapor emission reveals a highly obscured, star forming nuclear region in the QSO host galaxy APM08279+5255 at z=3.9

Alicia Berciano Alba, Axel Weiss, Dominik Riechers, Edo Loenen, Fabian Walter, Marco Spaans, Paul P. van der Werf, Pierre Cox, Rowin Meijerink

arxiv:1106.4825 v3 · 2011-06-23 · 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{WMC6KBEYMXP4L54KVSECPXPKBR}

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	2026-05-18T02:01:31.389288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b305e5049865dfc5f78aac8827ddea0c7df17b968015dea54d87b9528fb181be

Aliases

arxiv: 1106.4825 · arxiv_version: 1106.4825v3 · doi: 10.48550/arxiv.1106.4825 · pith_short_12: WMC6KBEYMXP4 · pith_short_16: WMC6KBEYMXP4L54K · pith_short_8: WMC6KBEY

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/WMC6KBEYMXP4L54KVSECPXPKBR \
  | 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: b305e5049865dfc5f78aac8827ddea0c7df17b968015dea54d87b9528fb181be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5d16a5dac9cbf1c47b969e924c3f762d0c3c5d6153d64e385efea7a428e8421",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-23T20:10:34Z",
    "title_canon_sha256": "c54a59c006bf33949a92a3c572d6a4e620206f1428aa4ab6ccf0768c6f55e0c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.4825",
    "kind": "arxiv",
    "version": 3
  }
}