Pith Number

pith:TCFVCZMQ

pith:1995:TCFVCZMQ7NWU7R4SQNQPAB5JDY

not attested not anchored not stored refs pending

The HST Quasar Absorption Line Key Project VII. Absorption Systems at $z_{\rm abs} \leq 1.3$

Alec Boksenberg, Arthur M. Wolfe, Blair D. Savage, Buell T. Jannuzi, David A. Turnshek, Donald P.Schneider, George F. hartig, Jacqueline Bergeron, John N. Bahcall, Ray J. Weymann, Sofia Kirhakos, W. L. W. Sargent

arxiv:astro-ph/9506124 v1 · 1995-06-26 · 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{TCFVCZMQ7NWU7R4SQNQPAB5JDY}

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	2026-07-04T15:58:03.765652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

988b516590fb6d4fc7928360f007a91e169d5a6d544eec5a3111eb01311126a4

Aliases

arxiv: astro-ph/9506124 · arxiv_version: astro-ph/9506124v1 · doi: 10.48550/arxiv.astro-ph/9506124 · pith_short_12: TCFVCZMQ7NWU · pith_short_16: TCFVCZMQ7NWU7R4S · pith_short_8: TCFVCZMQ

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/TCFVCZMQ7NWU7R4SQNQPAB5JDY \
  | 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: 988b516590fb6d4fc7928360f007a91e169d5a6d544eec5a3111eb01311126a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa532950b4d8bad6a785b55961cadf180f4c2296ce39cec4e166ab92f77e7aff",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-06-26T16:05:57Z",
    "title_canon_sha256": "b4b7737008613dbe4974f058902de01ac159afbee52e995b51a169a385fe4442"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9506124",
    "kind": "arxiv",
    "version": 1
  }
}