Pith Number

pith:2SMV47RD

pith:2013:2SMV47RDIM2SVYISP7Y5ZL35V6

not attested not anchored not stored refs pending

THELI -- Convenient reduction of any optical, near- and mid-infrared imaging data

Mischa Schirmer

arxiv:1308.4989 v2 · 2013-08-22 · 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{2SMV47RDIM2SVYISP7Y5ZL35V6}

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	2026-05-18T03:07:42.154486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4995e7e2343352ae1127ff1dcaf7dafbe93543effdfc6c45ab7b895b5ddfcba

Aliases

arxiv: 1308.4989 · arxiv_version: 1308.4989v2 · doi: 10.48550/arxiv.1308.4989 · pith_short_12: 2SMV47RDIM2S · pith_short_16: 2SMV47RDIM2SVYIS · pith_short_8: 2SMV47RD

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/2SMV47RDIM2SVYISP7Y5ZL35V6 \
  | 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: d4995e7e2343352ae1127ff1dcaf7dafbe93543effdfc6c45ab7b895b5ddfcba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5db822d55a0061aa443d108e3dcd5cb15e494e22509864342cc44e52d783a909",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-08-22T20:30:29Z",
    "title_canon_sha256": "73d23b944839231d3bdc498f51ce7191d57e672a2cc5c133de2ad49e4a94cadb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4989",
    "kind": "arxiv",
    "version": 2
  }
}