Pith Number

pith:DUSAVF2G

pith:2017:DUSAVF2GGPD2ONI2YFQPXFOD3B

not attested not anchored not stored refs pending

Ambiguities in gravitational lens models: impact on time delays of the source position transformation

Bastian Orthen, Olivier Wertz, Peter Schneider

arxiv:1712.05033 v1 · 2017-12-13 · 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{DUSAVF2GGPD2ONI2YFQPXFOD3B}

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	2026-05-18T00:04:17.743915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d240a974633c7a7351ac160fb95c3d873b1cfed47d06bc92d33ddc5007637fb

Aliases

arxiv: 1712.05033 · arxiv_version: 1712.05033v1 · doi: 10.48550/arxiv.1712.05033 · pith_short_12: DUSAVF2GGPD2 · pith_short_16: DUSAVF2GGPD2ONI2 · pith_short_8: DUSAVF2G

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/DUSAVF2GGPD2ONI2YFQPXFOD3B \
  | 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: 1d240a974633c7a7351ac160fb95c3d873b1cfed47d06bc92d33ddc5007637fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3ad6dd60f17929fd4cc0639e8efffd0f0a1c10f8df25102482585077f616d13",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-12-13T22:41:17Z",
    "title_canon_sha256": "9bf7c55c0c1937b3ab88487f756cac7b0f31d25f60155757c386b3d357fb9dd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05033",
    "kind": "arxiv",
    "version": 1
  }
}