Pith Number

pith:7J2CGHIX

pith:2014:7J2CGHIXIODPFM7GA2P3KDV6ZC

not attested not anchored not stored refs pending

AGN and quasar science with aperture masking interferometry on the James Webb Space Telescope

2, (2) American Museum of Natural History, 3), (3) CUNY Graduate Center, (4) Space Telescope Science Institute, 5), (5) SUNY Stony Brook, (6) Universit\'e de Montr\'eal), Anand Sivaramakrishnan (4, Andr\'e R. Martel (4), Anton Koekemoer (4), Barry McKernan (1, City University of New York, David Lafreni\`ere (6), K. E. Saavik Ford (1, S\'ebastien Parmentier (5) ((1) Borough of Manhattan Community College

arxiv:1401.0545 v2 · 2014-01-02 · 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{7J2CGHIXIODPFM7GA2P3KDV6ZC}

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	2026-05-18T01:45:34.350232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa74231d174386f2b3e6069fb50ebec8bcb98648fcd50718cdaf53c3e26ea46f

Aliases

arxiv: 1401.0545 · arxiv_version: 1401.0545v2 · doi: 10.48550/arxiv.1401.0545 · pith_short_12: 7J2CGHIXIODP · pith_short_16: 7J2CGHIXIODPFM7G · pith_short_8: 7J2CGHIX

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/7J2CGHIXIODPFM7GA2P3KDV6ZC \
  | 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: fa74231d174386f2b3e6069fb50ebec8bcb98648fcd50718cdaf53c3e26ea46f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a103bb724c18bae721c7b7add2f450c0cc5f6f2ea104100ecd8240781b0dde91",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2014-01-02T21:09:14Z",
    "title_canon_sha256": "85d52fe28127540ce1d3643b6b4803d8e7ce94058bcc97d317835cbb997aab06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0545",
    "kind": "arxiv",
    "version": 2
  }
}