Pith Number

pith:5GYJ5EYM

pith:2013:5GYJ5EYM2LIBJ25P2RSSEY5IWW

not attested not anchored not stored refs pending

Deep, wide-field, global VLBI observations of the Hubble Deep Field North and Flanking Fields

M.A. Garrett, P.D. Barthel, S. Chi

arxiv:1301.1253 v1 · 2013-01-07 · 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{5GYJ5EYM2LIBJ25P2RSSEY5IWW}

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	2026-05-18T03:37:06.399447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9b09e930cd2d014ebafd4652263a8b5b3bc3520fc350b258ea379c0449b8765

Aliases

arxiv: 1301.1253 · arxiv_version: 1301.1253v1 · doi: 10.48550/arxiv.1301.1253 · pith_short_12: 5GYJ5EYM2LIB · pith_short_16: 5GYJ5EYM2LIBJ25P · pith_short_8: 5GYJ5EYM

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/5GYJ5EYM2LIBJ25P2RSSEY5IWW \
  | 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: e9b09e930cd2d014ebafd4652263a8b5b3bc3520fc350b258ea379c0449b8765

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b8775646d090a40934d27de5879feebe0945bd7c2a6b6c56fa8d474a2abbe45",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-07T16:38:44Z",
    "title_canon_sha256": "6ceb40db7d4e26ac6030764f0ce30d3bc4b2c7a1da9be5c2ba17525ef4fd64d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1253",
    "kind": "arxiv",
    "version": 1
  }
}