Pith Number

pith:6GQHELBF

pith:2011:6GQHELBF2FRFBDEZUODYD5CNCE

not attested not anchored not stored refs pending

High-ion absorption in the proximate damped Lyman-alpha system toward Q0841+129

2), (2) IoA, (3) IAP, (4) IUCAA, (5) SENAI, Andrew J. Fox (1, Brazil), Cambridge, C\'edric Ledoux (1), India, Paris, Patrick Petitjean (3), Raghunathan Srianand (4), Rodney Guimar\~aes (5) ((1) ESO-Chile

arxiv:1107.2226 v1 · 2011-07-12 · 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{6GQHELBF2FRFBDEZUODYD5CNCE}

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	2026-05-18T02:01:19.852264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1a0722c25d162508c99a38781f44d1109572cf1fbb39ba8ae78c5e55cfd6f5b

Aliases

arxiv: 1107.2226 · arxiv_version: 1107.2226v1 · doi: 10.48550/arxiv.1107.2226 · pith_short_12: 6GQHELBF2FRF · pith_short_16: 6GQHELBF2FRFBDEZ · pith_short_8: 6GQHELBF

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/6GQHELBF2FRFBDEZUODYD5CNCE \
  | 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: f1a0722c25d162508c99a38781f44d1109572cf1fbb39ba8ae78c5e55cfd6f5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d8acbd01532d0e4ae7b518b7f8750fe9f7af99723a05d03517a679ee5167573",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-12T09:42:27Z",
    "title_canon_sha256": "3396c4d3e8eb676c9aa036a214ba2e0eb6c1306feb7ea1af2751d813f54c010b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2226",
    "kind": "arxiv",
    "version": 1
  }
}