Pith Number

pith:TMTC6DEA

pith:2003:TMTC6DEARMSUPJCXQ5ZW4AVAOG

not attested not anchored not stored refs pending

Simultaneous UV and X-ray Spectroscopy of the Seyfert 1 Galaxy NGC 5548. I. Physical Conditions in the UV Absorbers

A.C. Brinkman, D.A. Liedahl, D.M. Crenshaw, F.B.S. Paerels, I.M. George, J.P. Dunn, J.R. Gabel, J.S. Kaastra, K.C. Steenbrugge, S.B. Kraemer, T.J. Turner, T. Yaqoob

arxiv:astro-ph/0305154 v1 · 2003-05-09 · 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{TMTC6DEARMSUPJCXQ5ZW4AVAOG}

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	2026-07-04T16:37:00.403157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b262f0c808b2547a45787736e02a071860aa7ea4df045d9b90fe9dc9203d2b4

Aliases

arxiv: astro-ph/0305154 · arxiv_version: astro-ph/0305154v1 · doi: 10.48550/arxiv.astro-ph/0305154 · pith_short_12: TMTC6DEARMSU · pith_short_16: TMTC6DEARMSUPJCX · pith_short_8: TMTC6DEA

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/TMTC6DEARMSUPJCXQ5ZW4AVAOG \
  | 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: 9b262f0c808b2547a45787736e02a071860aa7ea4df045d9b90fe9dc9203d2b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46e9cf398c60d83e59e97e6aeb8f4e06ee75cb4692dcc0da7347b6fd14809807",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-05-09T13:02:55Z",
    "title_canon_sha256": "797963b9e29104f345db4f5f18864d1f6616f4f9391a9bb2eb94871fc90905b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0305154",
    "kind": "arxiv",
    "version": 1
  }
}