Pith Number

pith:IXM67NHB

pith:2012:IXM67NHBVOHBW5FP55CLEBWDEJ

not attested not anchored not stored refs pending

A Refined Estimate of the Ionizing Emissivity from Galaxies at z~3: Spectroscopic Follow-up in the SSA22a Field

Alice E. Shapley, Brian Siana, Charles C. Steidel, Daniel B. Nestor, Katherine A. Kornei

arxiv:1210.2393 v2 · 2012-10-08 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IXM67NHBVOHBW5FP55CLEBWDEJ}

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	2026-05-18T01:54:04.426772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45d9efb4e1ab8e1b74afef44b206c3226c19a69f320cd5aacb71adcd9f4ab12d

Aliases

arxiv: 1210.2393 · arxiv_version: 1210.2393v2 · doi: 10.48550/arxiv.1210.2393 · pith_short_12: IXM67NHBVOHB · pith_short_16: IXM67NHBVOHBW5FP · pith_short_8: IXM67NHB

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/IXM67NHBVOHBW5FP55CLEBWDEJ \
  | 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: 45d9efb4e1ab8e1b74afef44b206c3226c19a69f320cd5aacb71adcd9f4ab12d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0238abef74de5a3490436417e8e6dd237030de6c7d0759fb8c3916559127a43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-10-08T20:00:02Z",
    "title_canon_sha256": "6a6495e4a001d0940cc416f4d874a62bf7c3eb8d208fc711916ea5636535911e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2393",
    "kind": "arxiv",
    "version": 2
  }
}