Pith Number

pith:MAS6CJMX

pith:2015:MAS6CJMX3D3B2BWJLUWKHYEZHN

not attested not anchored not stored refs pending

An Extragalactic Spectroscopic Survey of the SSA22 Field

A. Gonzales, B. D. Lehmer, C. Saez, D. M. Alexander, D. Stern, F. A. Harrison, F. E. Bauer, I. Rreza, J. E. Geach, T. Havashino, Y. Matsuda

arxiv:1504.00737 v4 · 2015-04-03 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MAS6CJMX3D3B2BWJLUWKHYEZHN}

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	2026-05-18T01:29:21.181514Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6025e12597d8f61d06c95d2ca3e0993b4764d32f7c54261f96723d7bc5ddcfce

Aliases

arxiv: 1504.00737 · arxiv_version: 1504.00737v4 · doi: 10.48550/arxiv.1504.00737 · pith_short_12: MAS6CJMX3D3B · pith_short_16: MAS6CJMX3D3B2BWJ · pith_short_8: MAS6CJMX

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/MAS6CJMX3D3B2BWJLUWKHYEZHN \
  | 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: 6025e12597d8f61d06c95d2ca3e0993b4764d32f7c54261f96723d7bc5ddcfce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "050949c7df7a0a19fa9ee6c7b7fd9e11559251609d395cf65ad9cc87e373860a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-03T03:22:59Z",
    "title_canon_sha256": "9f6d990aa753e8a2200f0f4849a3dde2ac6946e6490dec4090b0561c914ad23c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00737",
    "kind": "arxiv",
    "version": 4
  }
}