Pith Number

pith:ZDFVDH4C

pith:2011:ZDFVDH4CXRZIIUNDDJDH2FOL6D

not attested not anchored not stored refs pending

MDia and POTS - The Munich Difference Imaging Analysis for the pre-OmegaTranS Project

A.Riffeser, J. Koppenhoefer, R. P. Saglia

arxiv:1112.2121 v1 · 2011-12-09 · astro-ph.SR · astro-ph.EP · 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{ZDFVDH4CXRZIIUNDDJDH2FOL6D}

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	2026-05-18T01:59:12.666951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8cb519f82bc728451a31a467d15cbf0de25f3f1622ca6f904a75d04055557ec

Aliases

arxiv: 1112.2121 · arxiv_version: 1112.2121v1 · doi: 10.48550/arxiv.1112.2121 · pith_short_12: ZDFVDH4CXRZI · pith_short_16: ZDFVDH4CXRZIIUND · pith_short_8: ZDFVDH4C

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/ZDFVDH4CXRZIIUNDDJDH2FOL6D \
  | 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: c8cb519f82bc728451a31a467d15cbf0de25f3f1622ca6f904a75d04055557ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0edd81a7d72671090ca82c2dcac615ef60de65f229e41b8675596cdb3714a561",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-12-09T15:30:20Z",
    "title_canon_sha256": "7f62426b9eb4f7ba22baf2cf5912d29f36fe168169484dfaba61a6c9e59c3b98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2121",
    "kind": "arxiv",
    "version": 1
  }
}