Pith Number

pith:4ROEI54S

pith:2004:4ROEI54SGRIWDY3YBQMLTWND3T

not attested not anchored not stored refs pending

Deep near-infrared spectroscopy of submillimetre-selected galaxies

Chris Simpson, J. S. Dunlop, R. J. Ivison, S. A. Eales, S. E. Scott, S. J. Lilly, T. M. A. Webb

arxiv:astro-ph/0405390 v1 · 2004-05-20 · 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{4ROEI54SGRIWDY3YBQMLTWND3T}

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	2026-07-04T16:43:48.022394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e45c447792345161e3780c18b9d9a3dce127761fa0f013988d84b95f82cc4ba7

Aliases

arxiv: astro-ph/0405390 · arxiv_version: astro-ph/0405390v1 · doi: 10.48550/arxiv.astro-ph/0405390 · pith_short_12: 4ROEI54SGRIW · pith_short_16: 4ROEI54SGRIWDY3Y · pith_short_8: 4ROEI54S

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/4ROEI54SGRIWDY3YBQMLTWND3T \
  | 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: e45c447792345161e3780c18b9d9a3dce127761fa0f013988d84b95f82cc4ba7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e0538c7c652493bb5bcd27687c5bc96e470714263ceeaa0e4ba13075f8276d0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-05-20T11:09:52Z",
    "title_canon_sha256": "35c624b33f602ffb3812ba30900ecceca956cd2a69910f9079ccbd0bf501bc2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0405390",
    "kind": "arxiv",
    "version": 1
  }
}