Pith Number

pith:UIOWGOHF

pith:2015:UIOWGOHFFH4SHUXUYEAMQVJQNB

not attested not anchored not stored refs pending

The dust content of damped Lyman-alpha systems in the Sloan Digital Sky Survey

2) ((1) Swinburne University of Technology, (2) ETH Zurich), Martin L. Bernet (1, Michael T. Murphy (1)

arxiv:1510.05667 v1 · 2015-10-19 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UIOWGOHFFH4SHUXUYEAMQVJQNB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:26:40.855213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a21d6338e529f923d2f4c100c855306871ddd70cd043e481fc2f4c7ed342f269

Aliases

arxiv: 1510.05667 · arxiv_version: 1510.05667v1 · doi: 10.48550/arxiv.1510.05667 · pith_short_12: UIOWGOHFFH4S · pith_short_16: UIOWGOHFFH4SHUXU · pith_short_8: UIOWGOHF

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/UIOWGOHFFH4SHUXUYEAMQVJQNB \
  | 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: a21d6338e529f923d2f4c100c855306871ddd70cd043e481fc2f4c7ed342f269

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c48b31f617079e9b4d8b7b662d5b441cb3b98ad81fb0d8bdbb2eb2646a10625b",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-10-19T20:19:47Z",
    "title_canon_sha256": "4f96ab33d85f24ea88227ec88be01796674784e99c8fe695671553630bb25fd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.05667",
    "kind": "arxiv",
    "version": 1
  }
}