Pith Number

pith:ZRUO2JZQ

pith:2011:ZRUO2JZQYHIR6PHN7XKFL4LFK5

not attested not anchored not stored refs pending

GRB 070125 and the environments of spectral-line poor afterglow absorbers

A. De Cia, A. de Ugarte Postigo, A. J. Levan, A. J. van der Horst, E. Rol, G. Bj\"ornsson, K. Wiersema, N. R. Tanvir, P. Jakobsson, P. M. Vreeswijk, R. L. C. Starling, S. Schulze

arxiv:1107.3748 v1 · 2011-07-19 · 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{ZRUO2JZQYHIR6PHN7XKFL4LFK5}

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	2026-05-18T02:01:14.828712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc68ed2730c1d11f3cedfdd455f1655746400a2694ecd66fe8bd2788118e6164

Aliases

arxiv: 1107.3748 · arxiv_version: 1107.3748v1 · doi: 10.48550/arxiv.1107.3748 · pith_short_12: ZRUO2JZQYHIR · pith_short_16: ZRUO2JZQYHIR6PHN · pith_short_8: ZRUO2JZQ

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/ZRUO2JZQYHIR6PHN7XKFL4LFK5 \
  | 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: cc68ed2730c1d11f3cedfdd455f1655746400a2694ecd66fe8bd2788118e6164

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e35b7fdda4a3d6a19e6118fc5d88e479d359ec2c9e74785aa06fc2ab640ef3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-19T15:41:28Z",
    "title_canon_sha256": "33ad9f9326dcbbcf2dc947f110192db992a634e1757b79798d696825476906a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3748",
    "kind": "arxiv",
    "version": 1
  }
}