Pith Number

pith:6JAAV4FB

pith:2017:6JAAV4FBZJZLZF2F46DBI7NBV4

not attested not anchored not stored refs pending

Microlensing Makes Lensed Quasar Time Delays Significantly Time Variable

C. S. Kochanek, S.S. Tie

arxiv:1707.01908 v1 · 2017-07-06 · 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{6JAAV4FBZJZLZF2F46DBI7NBV4}

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	2026-05-18T00:32:08.748770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2400af0a1ca72bc9745e786147da1af1a36fc1ffa1f30cf196c011a8d553adb

Aliases

arxiv: 1707.01908 · arxiv_version: 1707.01908v1 · doi: 10.48550/arxiv.1707.01908 · pith_short_12: 6JAAV4FBZJZL · pith_short_16: 6JAAV4FBZJZLZF2F · pith_short_8: 6JAAV4FB

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/6JAAV4FBZJZLZF2F46DBI7NBV4 \
  | 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: f2400af0a1ca72bc9745e786147da1af1a36fc1ffa1f30cf196c011a8d553adb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bb0e0298df1d9d1e92201cace90d3ece5478264734a89a95ee3cc70dba98e4d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-07-06T18:00:03Z",
    "title_canon_sha256": "c9218d177594f01f21bf29bea4901c7720f1f92c7030f1a195f1a09b4350b943"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01908",
    "kind": "arxiv",
    "version": 1
  }
}