Pith. sign in
Pith Number

pith:OS37DONO

pith:1999:OS37DONOTO46DZGJMQ7GZSL36Y
not attested not anchored not stored refs pending

Hubble Space Telescope Observations of the Associated Absorption Systems in Q0122+0338

2), (2) STScI, 3), (3) Princeton Univ.), Anton M. Koekemoer (2), Casey Papovich (1), Colin A. Norman (1, David V. Bowen (1, J. Chris Blades (2) ((1) The Johns Hopkins Univ., Sandra Savaglio (2), Tim Heckman (1)

arxiv:astro-ph/9910349 v1 · 1999-10-19 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OS37DONOTO46DZGJMQ7GZSL36Y}

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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 2026-07-04T16:11:43.339671Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

74b7f1b9ae9bb9e1e4c9643e6cc97bf627c2c866e461dcd569420737760f7f6c

Aliases

arxiv: astro-ph/9910349 · arxiv_version: astro-ph/9910349v1 · doi: 10.48550/arxiv.astro-ph/9910349 · pith_short_12: OS37DONOTO46 · pith_short_16: OS37DONOTO46DZGJ · pith_short_8: OS37DONO
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OS37DONOTO46DZGJMQ7GZSL36Y \
  | 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: 74b7f1b9ae9bb9e1e4c9643e6cc97bf627c2c866e461dcd569420737760f7f6c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7ded84cc03f42a3a4705a5c3353c10527b5cd6e410fad681ac8c36c1db70b4d5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-10-19T18:34:26Z",
    "title_canon_sha256": "2e3b10b2303d41603056f79bbad06bfd661413c4627bd46cc38258b19d2057ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9910349",
    "kind": "arxiv",
    "version": 1
  }
}