Pith Number

pith:UHTZBMPV

pith:2008:UHTZBMPV7JCPMQH3JDOKTT4LIX

not attested not anchored not stored refs pending

Testing the Possible Intrinsic Origin of the Excess of Very Strong MgII Absorbers Along GRB Lines-of-Sight

A. Cucchiara, A. Narayanan, D. B. Fox, D. Einsig, J. C. Charlton, T. Jones

arxiv:0811.1382 v3 · 2008-11-09 · 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{UHTZBMPV7JCPMQH3JDOKTT4LIX}

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	2026-07-04T17:28:29.639376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1e790b1f5fa44f640fb48dca9cf8b45c5bdff7df90eab4ed968eb11db4bf739

Aliases

arxiv: 0811.1382 · arxiv_version: 0811.1382v3 · doi: 10.48550/arxiv.0811.1382 · pith_short_12: UHTZBMPV7JCP · pith_short_16: UHTZBMPV7JCPMQH3 · pith_short_8: UHTZBMPV

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/UHTZBMPV7JCPMQH3JDOKTT4LIX \
  | 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: a1e790b1f5fa44f640fb48dca9cf8b45c5bdff7df90eab4ed968eb11db4bf739

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc7c1c9f95b4019b41a641c123b361f9cff3567b7656c8360afb19ba33915c56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-09T23:53:47Z",
    "title_canon_sha256": "38c76e0fb343417d8488e03f88e14668d845c79f51c407f8631e34512bd3e788"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.1382",
    "kind": "arxiv",
    "version": 3
  }
}