Pith Number

pith:WJPSZ45Q

pith:2011:WJPSZ45QZGSWFCXCB4TLK7Q5JD

not attested not anchored not stored refs pending

Continuum removal in H\alpha\ extragalactic measurements

Ido Finkelman, Noah Brosch, Oded Spector

arxiv:1110.5636 v2 · 2011-10-25 · astro-ph.IM · 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{WJPSZ45QZGSWFCXCB4TLK7Q5JD}

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	2026-05-18T04:07:42.827561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b25f2cf3b0c9a5628ae20f26b57e1d48c60ddda2d6b2b4fae4bf58ea5d7372b7

Aliases

arxiv: 1110.5636 · arxiv_version: 1110.5636v2 · doi: 10.48550/arxiv.1110.5636 · pith_short_12: WJPSZ45QZGSW · pith_short_16: WJPSZ45QZGSWFCXC · pith_short_8: WJPSZ45Q

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/WJPSZ45QZGSWFCXCB4TLK7Q5JD \
  | 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: b25f2cf3b0c9a5628ae20f26b57e1d48c60ddda2d6b2b4fae4bf58ea5d7372b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4504d5a06551e2a2783fc275c2bb3e50ac62266de5ca09a9a8bff4aa1a9fa05f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-10-25T20:00:01Z",
    "title_canon_sha256": "cccbc9cb3b117bfdbddb71ebb8af52db4fb452dd1b3dbb2971af42b12cb196a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5636",
    "kind": "arxiv",
    "version": 2
  }
}