Pith Number

pith:DLDF5FWB

pith:2016:DLDF5FWBBQ6SUNPD7MKGGWGY6I

not attested not anchored not stored refs pending

High Resolution Linear Polarimetric Imaging for the Event Horizon Telescope

Andrew A. Chael, John F. C. Wardle, Katherine L. Bouman, Michael D. Johnson, Ramesh Narayan, Sheperd S. Doeleman

arxiv:1605.06156 v2 · 2016-05-19 · astro-ph.IM · 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{DLDF5FWBBQ6SUNPD7MKGGWGY6I}

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	2026-05-18T01:04:12.882376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ac65e96c10c3d2a35e3fb146358d8f23c7f1f80a396f5a96f37aebc173fd267

Aliases

arxiv: 1605.06156 · arxiv_version: 1605.06156v2 · doi: 10.48550/arxiv.1605.06156 · pith_short_12: DLDF5FWBBQ6S · pith_short_16: DLDF5FWBBQ6SUNPD · pith_short_8: DLDF5FWB

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/DLDF5FWBBQ6SUNPD7MKGGWGY6I \
  | 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: 1ac65e96c10c3d2a35e3fb146358d8f23c7f1f80a396f5a96f37aebc173fd267

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c86b072fa81ed0e3c9a427d207141fd4c5fb259eb23af22ed784c180952933ef",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-05-19T21:49:06Z",
    "title_canon_sha256": "5a73b85767572f6d570529e973c65fb2f478e357e7213edac3a3dfa977052d0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.06156",
    "kind": "arxiv",
    "version": 2
  }
}