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Pith Number

pith:O6Y7F7FF

pith:1995:O6Y7F7FFEMVFI5LRHBIMTYTHY3
not attested not anchored not stored refs pending

A radio Search for high redshift HI absorption

A. G. de Bruyn, C. L. Carilli, Jayaram N. Chengalur, R. Braun

arxiv:astro-ph/9512069 v1 · 1995-12-12 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{O6Y7F7FFEMVFI5LRHBIMTYTHY3}

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 2026-05-18T01:21:56.686532Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

77b1f2fca5232a5475713850c9e267c6e84e48b652681b561899c09c55bc8713

Aliases

arxiv: astro-ph/9512069 · arxiv_version: astro-ph/9512069v1 · doi: 10.48550/arxiv.astro-ph/9512069 · pith_short_12: O6Y7F7FFEMVF · pith_short_16: O6Y7F7FFEMVFI5LR · pith_short_8: O6Y7F7FF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/O6Y7F7FFEMVFI5LRHBIMTYTHY3 \
  | 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: 77b1f2fca5232a5475713850c9e267c6e84e48b652681b561899c09c55bc8713
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ea40361aa8a875b782032458b7f6fdba232f877cc313e5f5f7523af7aaf4ca26",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-12-12T12:18:36Z",
    "title_canon_sha256": "07ac0458f3dec80adb8b5d2f2c5762742a585170f6ce553f23a304603ac3f211"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9512069",
    "kind": "arxiv",
    "version": 1
  }
}