Pith Number

pith:O7DY45TS

pith:2011:O7DY45TSEWKWTU67FYATRUCXMV

not attested not anchored not stored refs pending

The origin of dust in high redshift QSOs: the case of SDSS J1148+5251

Raffaella Schneider, Rosa Valiante, Simone Bianchi, Stefania Salvadori

arxiv:1106.1418 v1 · 2011-06-07 · 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{O7DY45TSEWKWTU67FYATRUCXMV}

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	2026-05-18T02:01:41.132121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77c78e7672259569d3df2e0138d057657630efc5ec080a4a1c40678119684158

Aliases

arxiv: 1106.1418 · arxiv_version: 1106.1418v1 · doi: 10.48550/arxiv.1106.1418 · pith_short_12: O7DY45TSEWKW · pith_short_16: O7DY45TSEWKWTU67 · pith_short_8: O7DY45TS

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/O7DY45TSEWKWTU67FYATRUCXMV \
  | 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: 77c78e7672259569d3df2e0138d057657630efc5ec080a4a1c40678119684158

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33e92a447be9288223d69d2ea65156f48ecdc52ec2800f90ba08c540277c5ce5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-07T19:23:19Z",
    "title_canon_sha256": "4ab84363e41004984d0c11c6bd4d9df8391f3f37554068c7b947143352aece0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1418",
    "kind": "arxiv",
    "version": 1
  }
}