Pith Number

pith:W24R4DYW

pith:2000:W24R4DYWUYTIBZKLSFNDFPMRGK

not attested not anchored not stored refs pending

The brighter side of sub-mm source counts: a SCUBA scan-map of the Hubble Deep Field

Colin Borys (1), Douglas Scott(1) ((1) University of British Columbia (2) Observatories of the Carnegie Institution of Washington), Mark Halpern (1), Scott Chapman (2)

arxiv:astro-ph/0009143 v1 · 2000-09-09 · 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{W24R4DYWUYTIBZKLSFNDFPMRGK}

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	2026-05-18T00:37:01.071853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6b91e0f16a62680e54b915a32bd9132832f65d99aeca30ec7cbba41ab1a0b0c

Aliases

arxiv: astro-ph/0009143 · arxiv_version: astro-ph/0009143v1 · doi: 10.48550/arxiv.astro-ph/0009143 · pith_short_12: W24R4DYWUYTI · pith_short_16: W24R4DYWUYTIBZKL · pith_short_8: W24R4DYW

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/W24R4DYWUYTIBZKLSFNDFPMRGK \
  | 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: b6b91e0f16a62680e54b915a32bd9132832f65d99aeca30ec7cbba41ab1a0b0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24e35682c3fb402a6a233016a6b4fc7fea93e3d580d12ca9675b3fec95e08534",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-09-09T21:47:55Z",
    "title_canon_sha256": "3a082334204d3021326fb60a93f5626423eb01233efe33d5ea94ee8194bf0e5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0009143",
    "kind": "arxiv",
    "version": 1
  }
}