Pith Number

pith:HM7ZYELG

pith:1995:HM7ZYELGNQOOE7KOWCV7SEDQ4T

not attested not anchored not stored refs pending

The IRAS 1.2 Jy Survey: Redshift Data

Amos Yahil, David Schlegel, John Huchra, Karl Fisher, Marc Davis, Michael Strauss

arxiv:astro-ph/9502101 v1 · 1995-02-27 · 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{HM7ZYELGNQOOE7KOWCV7SEDQ4T}

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	2026-05-18T01:07:42.078807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b3f9c11666c1ce27d4eb0abf91070e4e65d5070665329a966d01f1cd8b1ccbd

Aliases

arxiv: astro-ph/9502101 · arxiv_version: astro-ph/9502101v1 · doi: 10.48550/arxiv.astro-ph/9502101 · pith_short_12: HM7ZYELGNQOO · pith_short_16: HM7ZYELGNQOOE7KO · pith_short_8: HM7ZYELG

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/HM7ZYELGNQOOE7KOWCV7SEDQ4T \
  | 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: 3b3f9c11666c1ce27d4eb0abf91070e4e65d5070665329a966d01f1cd8b1ccbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f251d62270901c9a17205670d6d80dfd807f0b75505b357f4aab0c32a7ff9c0c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-02-27T17:14:47Z",
    "title_canon_sha256": "dc428f0427a76ca36537b10c1e226c6a58d6d53c08f33dbc3fb9aebfe5d27052"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9502101",
    "kind": "arxiv",
    "version": 1
  }
}