Pith Number

pith:HEQPA7FL

pith:2017:HEQPA7FLXUINDG3W3TS4QNNO2V

not attested not anchored not stored refs pending

The Parsec-Scale Morphology of Southern GPS sources

P.G. Edwards, S.J. Tingay

arxiv:1701.01172 v1 · 2017-01-04 · 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{HEQPA7FLXUINDG3W3TS4QNNO2V}

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	2026-05-18T00:53:20.247619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3920f07cabbd10d19b76dce5c835aed573a7f9193bd518eb2b2cbf14e90f6bfe

Aliases

arxiv: 1701.01172 · arxiv_version: 1701.01172v1 · doi: 10.48550/arxiv.1701.01172 · pith_short_12: HEQPA7FLXUIN · pith_short_16: HEQPA7FLXUINDG3W · pith_short_8: HEQPA7FL

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/HEQPA7FLXUINDG3W3TS4QNNO2V \
  | 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: 3920f07cabbd10d19b76dce5c835aed573a7f9193bd518eb2b2cbf14e90f6bfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bca50953f5514e518a030c773335497b49018f7a2f2897f1fc0066c4c13f0bd2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-04T22:23:42Z",
    "title_canon_sha256": "c994cb79b0a674d5aa1e3e3f992b74614772b6c4c6ae596a21f8db84b2647fc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01172",
    "kind": "arxiv",
    "version": 1
  }
}