Pith Number

pith:WFV6PENA

pith:2019:WFV6PENATTN7ZE4US5NMU6N7H3

not attested not anchored not stored refs pending

EHT-HOPS pipeline for millimeter VLBI data reduction

Andrew A. Chael, Chi-kwan Chan, Colin J. Lonsdale, Geoffrey B. Crew, John Barrett, Katherine L. Bouman, Kazunori Akiyama, Lindy Blackburn, Maciek Wielgus, Michael D. Johnson, Michael Janssen, Roger Cappallo, Sara Issaoun, Sheperd S. Doeleman, Vincent L. Fish

arxiv:1903.08832 v2 · 2019-03-21 · astro-ph.IM · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WFV6PENATTN7ZE4US5NMU6N7H3}

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.

Cited by

3 papers in Pith

First M87 Event Horizon Telescope Results. III. Data Processing and Calibration

First M87 Event Horizon Telescope Results. II. Array and Instrumentation

First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole

Receipt and verification

First computed	2026-07-05T00:00:14.208266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b16be791a09cdbfc9394975aca79bf3ec30349fddf700166c6d7f40b234684b1

Aliases

arxiv: 1903.08832 · arxiv_version: 1903.08832v2 · doi: 10.48550/arxiv.1903.08832 · pith_short_12: WFV6PENATTN7 · pith_short_16: WFV6PENATTN7ZE4U · pith_short_8: WFV6PENA

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/WFV6PENATTN7ZE4US5NMU6N7H3 \
  | 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: b16be791a09cdbfc9394975aca79bf3ec30349fddf700166c6d7f40b234684b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c3c439386842e15291ed8fb76c010d32504d7474cfcfdcc00753173537029f4",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-03-21T05:13:47Z",
    "title_canon_sha256": "b4ad142368278d3fcdff629fed9ac88efe720fcfcaad39320bb7fd09567b7663"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08832",
    "kind": "arxiv",
    "version": 2
  }
}