Pith Number

pith:EZTLETJH

pith:2019:EZTLETJHY6IS3JB6MLVO3LUWTN

not attested not anchored not stored refs pending

Gravitational lensing at milliarcsecond angular resolution with VLBI observations

A. Deller, C. Spingola, J. Moldon, J. P. McKean

arxiv:1902.07046 v1 · 2019-02-19 · astro-ph.GA · 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{EZTLETJHY6IS3JB6MLVO3LUWTN}

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	2026-05-17T23:53:40.047112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2666b24d27c7912da43e62eaedae969b48b5a753240615ddeb3340ba614ab074

Aliases

arxiv: 1902.07046 · arxiv_version: 1902.07046v1 · doi: 10.48550/arxiv.1902.07046 · pith_short_12: EZTLETJHY6IS · pith_short_16: EZTLETJHY6IS3JB6 · pith_short_8: EZTLETJH

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/EZTLETJHY6IS3JB6MLVO3LUWTN \
  | 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: 2666b24d27c7912da43e62eaedae969b48b5a753240615ddeb3340ba614ab074

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a5e6357d351ffa1f6d6407dd30ce066b3d6c01dfc4d8a691172b3734a21c485",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-19T13:30:11Z",
    "title_canon_sha256": "3aa7cf46f76718887c16a6063e57d023944a004694f3b9fa3fdae76f708d8483"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07046",
    "kind": "arxiv",
    "version": 1
  }
}