Pith Number

pith:SEJFMLYM

pith:1997:SEJFMLYMQKHM34NUATOE25BNH2

not attested not anchored not stored refs pending

Galaxies at z=4 and the Formation of Population II

2), (2) OCIW), A. Dressler (2), A. Oemler (2) ((1) UCO/Lick Observatory, S. C. Trager (1, S. M. Faber (1)

arxiv:astro-ph/9703062 v1 · 1997-03-10 · 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{SEJFMLYMQKHM34NUATOE25BNH2}

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	2026-05-18T01:07:38.602268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9112562f0c828ecdf1b404dc4d742d3eb983724898e0c95f19b35835e89e9d5a

Aliases

arxiv: astro-ph/9703062 · arxiv_version: astro-ph/9703062v1 · doi: 10.48550/arxiv.astro-ph/9703062 · pith_short_12: SEJFMLYMQKHM · pith_short_16: SEJFMLYMQKHM34NU · pith_short_8: SEJFMLYM

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/SEJFMLYMQKHM34NUATOE25BNH2 \
  | 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: 9112562f0c828ecdf1b404dc4d742d3eb983724898e0c95f19b35835e89e9d5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86c25689c5445df206481cb1eeb1ed38bc3e488a92c3993dbc375ebafdb23c90",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-03-10T19:59:32Z",
    "title_canon_sha256": "cda59dcd46cf1b29982402e26329e359d5272cc277e1e0a4b57eb9f10475bc45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9703062",
    "kind": "arxiv",
    "version": 1
  }
}