Pith Number

pith:ZPWQ7QFY

pith:2011:ZPWQ7QFYQGPAEGBDPPTWM6LO7O

not attested not anchored not stored refs pending

UVES and FORS2 spectroscopy of GRB081008

G. Tagliaferri, P. D'Avanzo, S. Campana, S. Covino, S. Piranomonte, V. D'Elia

arxiv:1108.1049 v1 · 2011-08-04 · astro-ph.HE · 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{ZPWQ7QFYQGPAEGBDPPTWM6LO7O}

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	2026-05-18T04:16:12.792758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbed0fc0b8819e0218237be766796efbb2943c4d696def323612052ff5cdb854

Aliases

arxiv: 1108.1049 · arxiv_version: 1108.1049v1 · doi: 10.48550/arxiv.1108.1049 · pith_short_12: ZPWQ7QFYQGPA · pith_short_16: ZPWQ7QFYQGPAEGBD · pith_short_8: ZPWQ7QFY

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/ZPWQ7QFYQGPAEGBDPPTWM6LO7O \
  | 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: cbed0fc0b8819e0218237be766796efbb2943c4d696def323612052ff5cdb854

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "134cdc805e244cc4e75b173f954e69d280bf1948b2e87666fc525346b3a8eebb",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-08-04T11:20:27Z",
    "title_canon_sha256": "e4c1bc1b22e7d86c0228185af5ae3f1f1046479f6385ebc2861d47e0b5f2171b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1049",
    "kind": "arxiv",
    "version": 1
  }
}