Pith Number

pith:TAH4OSU6

pith:2001:TAH4OSU6LWE2TGXGO5KDAFY54U

not attested not anchored not stored refs pending

The First Detection of Co in a Damped Lyman Alpha System

Jason X. Prochaska, Sara L. Ellison, Sean G. Ryan

arxiv:astro-ph/0104466 v1 · 2001-04-29 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TAH4OSU6LWE2TGXGO5KDAFY54U}

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	2026-05-18T01:21:57.102603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

980fc74a9e5d89a99ae6775430171de52be978dba4b027b86ba9bc2abe477fea

Aliases

arxiv: astro-ph/0104466 · arxiv_version: astro-ph/0104466v1 · doi: 10.48550/arxiv.astro-ph/0104466 · pith_short_12: TAH4OSU6LWE2 · pith_short_16: TAH4OSU6LWE2TGXG · pith_short_8: TAH4OSU6

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/TAH4OSU6LWE2TGXGO5KDAFY54U \
  | 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: 980fc74a9e5d89a99ae6775430171de52be978dba4b027b86ba9bc2abe477fea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "114a91ab73465fa958db5178ec6814f72b69c81b839f7ad549d6eb52308cd639",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-04-29T13:38:19Z",
    "title_canon_sha256": "2f7b6e6684b10fe571487c90647e2af06d8eaf4fcc35fb1db7f1d947c1e223da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0104466",
    "kind": "arxiv",
    "version": 1
  }
}