Pith Number

pith:L73VU2X6

pith:1997:L73VU2X6VEEZIQXNZZHXHA7EU4

not attested not anchored not stored refs pending

The Circumnuclear Material in the Galactic Centre: A Clue to the Accretion Process

Groningen, NL), R.H. Sanders (Kapteyn Astronomical Institute

arxiv:astro-ph/9708272 v1 · 1997-08-29 · 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{L73VU2X6VEEZIQXNZZHXHA7EU4}

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	2026-07-04T16:03:12.989764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ff75a6afea9099442edce4f7383e4a73c6e97abd5d78e3ae45315450ec6a912

Aliases

arxiv: astro-ph/9708272 · arxiv_version: astro-ph/9708272v1 · doi: 10.48550/arxiv.astro-ph/9708272 · pith_short_12: L73VU2X6VEEZ · pith_short_16: L73VU2X6VEEZIQXN · pith_short_8: L73VU2X6

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/L73VU2X6VEEZIQXNZZHXHA7EU4 \
  | 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: 5ff75a6afea9099442edce4f7383e4a73c6e97abd5d78e3ae45315450ec6a912

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b30e814c74b5a85697d496b6f5dbd022bfd4c18a2ce2c1e58ff71f01ad244459",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-08-29T12:46:11Z",
    "title_canon_sha256": "0dc1212a97ad51d99c5ecd050c62b62a189ec0528cbddc181e973ccb227e1e7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9708272",
    "kind": "arxiv",
    "version": 1
  }
}