Pith Number

pith:I3PTCGQM

pith:2015:I3PTCGQMOKLNZ4IFNYKIAECNEQ

not attested not anchored not stored refs pending

The Geneva Reduction and Analysis Pipeline for High-contrast Imaging of planetary Companions

D. S\'egransan, F. Wildi, J. Hagelberg, S. Udry

arxiv:1510.04331 v2 · 2015-10-14 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I3PTCGQMOKLNZ4IFNYKIAECNEQ}

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	2026-05-18T01:26:24.904457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46df311a0c7296dcf1056e1480104d242f763303572f60af63c65b3813f840f9

Aliases

arxiv: 1510.04331 · arxiv_version: 1510.04331v2 · doi: 10.48550/arxiv.1510.04331 · pith_short_12: I3PTCGQMOKLN · pith_short_16: I3PTCGQMOKLNZ4IF · pith_short_8: I3PTCGQM

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/I3PTCGQMOKLNZ4IFNYKIAECNEQ \
  | 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: 46df311a0c7296dcf1056e1480104d242f763303572f60af63c65b3813f840f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40b9c770bd662ec8544641eeee7b355fc29db7e206206bf9310343496bbf87d2",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-10-14T22:18:49Z",
    "title_canon_sha256": "c35ff744101f8d98d5d72a90cf9d2a0b55f013b74a85a7d2629c43f85564a530"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04331",
    "kind": "arxiv",
    "version": 2
  }
}