Pith Number

pith:5APVSSRS

pith:2010:5APVSSRSN75UKHOR6PCIP4RRCO

not attested not anchored not stored refs pending

Peering through the OH Forest: public release of sky-residual subtracted spectra for SDSS DR7

2), (2) ROE Edinburgh, (3) IoA Cambridge), Paul C. Hewett (3) ((1) IAP Paris, Vivienne Wild (1

arxiv:1010.2500 v2 · 2010-10-12 · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5APVSSRSN75UKHOR6PCIP4RRCO}

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	2026-05-18T04:38:15.210875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e81f594a326ffb451dd1f3c487f23113a8810366b04b42d956b5c89ea7d8d4a8

Aliases

arxiv: 1010.2500 · arxiv_version: 1010.2500v2 · doi: 10.48550/arxiv.1010.2500 · pith_short_12: 5APVSSRSN75U · pith_short_16: 5APVSSRSN75UKHOR · pith_short_8: 5APVSSRS

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/5APVSSRSN75UKHOR6PCIP4RRCO \
  | 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: e81f594a326ffb451dd1f3c487f23113a8810366b04b42d956b5c89ea7d8d4a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c0d0f702e18b29a67b7576217b2a3065aa456627a9b5d9bb759b355a5cbeef0",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-10-12T20:01:55Z",
    "title_canon_sha256": "ace92731e74886e5c31a568eaa57e22d3c9ceba578f756f008b2e276613f3af4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.2500",
    "kind": "arxiv",
    "version": 2
  }
}