Pith Number

pith:7T7O56FQ

pith:2019:7T7O56FQ4VDGNTPCUXVFOO6KAX

not attested not anchored not stored refs pending

Deep GMRT 610 MHz Observations of the ELAIS N1 Field : Catalogue and Source Counts

A. R. Taylor, C.H. Ishwara-Chandra, E.F. Ocran, I. Prandoni, M. Vaccari

arxiv:1910.08355 v1 · 2019-10-18 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7T7O56FQ4VDGNTPCUXVFOO6KAX}

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	2026-07-05T00:17:18.718167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcfeeef8b0e54666cde2a5ea573bca05eb04a3c8088849337f4600d2d32f1f58

Aliases

arxiv: 1910.08355 · arxiv_version: 1910.08355v1 · doi: 10.48550/arxiv.1910.08355 · pith_short_12: 7T7O56FQ4VDG · pith_short_16: 7T7O56FQ4VDGNTPC · pith_short_8: 7T7O56FQ

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/7T7O56FQ4VDGNTPCUXVFOO6KAX \
  | 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: fcfeeef8b0e54666cde2a5ea573bca05eb04a3c8088849337f4600d2d32f1f58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46712fe4b3a3e4e836086cae745500d437d6ccd24539b1a33d822c5aacf93476",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-10-18T11:57:03Z",
    "title_canon_sha256": "ea96f2832b1cdaef3873cfc95924e8ac6258401d59926dff4cab7449d822625d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.08355",
    "kind": "arxiv",
    "version": 1
  }
}