Pith Number

pith:BYPP7Y25

pith:2010:BYPP7Y25JDNJB4UJ2DDZHMA6ZO

not attested not anchored not stored refs pending

VLA 1.4GHz observations of the GOODS-North Field: Data Reduction and Analysis

Edo Ibar (ATC), Frazer N. Owen (NRAO), Glenn E. Morrison (IfA-Manoa/CFHT), Mark Dickinson (NOAO), Rob J. Ivison (ATC/IfA Edinburgh)

arxiv:1004.1671 v1 · 2010-04-10 · 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{BYPP7Y25JDNJB4UJ2DDZHMA6ZO}

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	2026-05-18T02:08:07.183323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e1effe35d48da90f289d0c793b01ecb92a54f7c768d4e0aaab784121dd13a90

Aliases

arxiv: 1004.1671 · arxiv_version: 1004.1671v1 · doi: 10.48550/arxiv.1004.1671 · pith_short_12: BYPP7Y25JDNJ · pith_short_16: BYPP7Y25JDNJB4UJ · pith_short_8: BYPP7Y25

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/BYPP7Y25JDNJB4UJ2DDZHMA6ZO \
  | 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: 0e1effe35d48da90f289d0c793b01ecb92a54f7c768d4e0aaab784121dd13a90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7850f7676cade0708b0ce6d937ddba9b4b89ca61699528b7e519078bbc13b200",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-10T02:36:50Z",
    "title_canon_sha256": "432637152d7d36a28161eac0c7545c26e0849b4124e2ca7e53f491da068e4f5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.1671",
    "kind": "arxiv",
    "version": 1
  }
}