Pith Number

pith:PB2TVGPG

pith:2006:PB2TVGPGEGMB6RKMTPGMMNDBI3

not attested not anchored not stored refs pending

Discovery of H alpha absorption in the unusual broad absorption line quasar SDSS J083942.11+380526.3

Ikuru Iwata, Kentaro Aoki, Kouji Ohta, Masataka Ando, Masayuki Akiyama, Naoyuki Tamura

arxiv:astro-ph/0607036 v1 · 2006-07-04 · 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{PB2TVGPGEGMB6RKMTPGMMNDBI3}

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.

Cited by

2 papers in Pith

Extreme outflow velocities and weak UV emission lines indicate quasars shedding their dust cocoons

A "Black Hole Star" Reveals the Remarkable Gas-Enshrouded Hearts of the Little Red Dots

Receipt and verification

First computed	2026-07-04T15:19:07.232545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78753a99e621981f454c9bccc6346146ef5948cffb596e28addf97291bc42633

Aliases

arxiv: astro-ph/0607036 · arxiv_version: astro-ph/0607036v1 · doi: 10.48550/arxiv.astro-ph/0607036 · pith_short_12: PB2TVGPGEGMB · pith_short_16: PB2TVGPGEGMB6RKM · pith_short_8: PB2TVGPG

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/PB2TVGPGEGMB6RKMTPGMMNDBI3 \
  | 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: 78753a99e621981f454c9bccc6346146ef5948cffb596e28addf97291bc42633

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2f1f5359b9839bad2202c3a56e55154db308aae92653b3717c9c05d7fa488a8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-07-04T01:17:17Z",
    "title_canon_sha256": "a9098434de09817f94b0bb072b42d05aacf07e04ada68a4353b99680cfbc6559"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0607036",
    "kind": "arxiv",
    "version": 1
  }
}