Pith Number

pith:CUNEWK5T

pith:2010:CUNEWK5T6K362DS6PWBRRUTNIN

not attested not anchored not stored refs pending

The Origins of a Rich Absorption Line Complex in a Quasar at Redshift 3.45

Fred Hamann, Leah E. Simon

arxiv:1007.2017 v1 · 2010-07-13 · 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{CUNEWK5T6K362DS6PWBRRUTNIN}

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	2026-05-18T02:06:22.732306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

151a4b2bb3f2b7ed0e5e7d8318d26d4351da50cf5c8c3d1ec929cf4e53d373ba

Aliases

arxiv: 1007.2017 · arxiv_version: 1007.2017v1 · doi: 10.48550/arxiv.1007.2017 · pith_short_12: CUNEWK5T6K36 · pith_short_16: CUNEWK5T6K362DS6 · pith_short_8: CUNEWK5T

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/CUNEWK5T6K362DS6PWBRRUTNIN \
  | 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: 151a4b2bb3f2b7ed0e5e7d8318d26d4351da50cf5c8c3d1ec929cf4e53d373ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "855f604f5f91a1c37582d498b4db1ff305671ebe7926865e7d019b103064780c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-07-13T01:07:41Z",
    "title_canon_sha256": "97a17714dfdafcade7113dc2967d30e9f686ac42321f5307a3e83ad34e7e86e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.2017",
    "kind": "arxiv",
    "version": 1
  }
}