Pith Number

pith:E73TROYX

pith:1993:E73TROYXMVWTF3FCOYPJ3FHZPZ

not attested not anchored not stored refs pending

Preliminary Results from the ESO Slice Project (ESP)

A.Blanchard, A.Cappi, C.Balkowski, C.Collins, D.Maccagni, D.Proust, E.Zucca, G.Chincarini, G.Stirpe, G.Vettolani, G.Zamorani, H.MacGillivray, J.Alimi, L.Guzzo, M.Mignoli, M.Ramella, P.Felenbok, R.Merighi, R.Scaramella, S.Maurogordato, V.Cayatte

arxiv:astro-ph/9312029 v1 · 1993-12-14 · 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{E73TROYXMVWTF3FCOYPJ3FHZPZ}

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	2026-07-04T14:14:27.092667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27f738bb17656d32eca2761e9d94f97e5465961b34752d1f44d5a4689b036915

Aliases

arxiv: astro-ph/9312029 · arxiv_version: astro-ph/9312029v1 · doi: 10.48550/arxiv.astro-ph/9312029 · pith_short_12: E73TROYXMVWT · pith_short_16: E73TROYXMVWTF3FC · pith_short_8: E73TROYX

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/E73TROYXMVWTF3FCOYPJ3FHZPZ \
  | 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: 27f738bb17656d32eca2761e9d94f97e5465961b34752d1f44d5a4689b036915

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acf8b80868103dd6df1f80cef2ea72b5e84197325f197776bd57d3e3cb49406b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1993-12-14T13:00:03Z",
    "title_canon_sha256": "116e3637e47bd4e5274fd97d75f83c40fdc1e3157f433e8fe2807d3f73ead1a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9312029",
    "kind": "arxiv",
    "version": 1
  }
}