Pith Number

pith:E6ZGYJEI

pith:2018:E6ZGYJEIPV4N4GRLMKFXABRWFL

not attested not anchored not stored refs pending

The first sub-70 minute non-interacting WD-BD system: EPIC212235321

A. Chaushev, C. Belardi, E. Dennihy, I. P. Braker, J. J. Hermes, M. Goad, M.R. Burleigh, M. Roy, N. L. Finch, S. G. Parsons, S. L. Casewell, S. P. Littlefair

arxiv:1801.07773 v2 · 2018-01-23 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E6ZGYJEIPV4N4GRLMKFXABRWFL}

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	2026-05-18T00:23:27.335107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27b26c24887d78de1a2b628b7006362af24e323d7b419b6a93668af88c4a578d

Aliases

arxiv: 1801.07773 · arxiv_version: 1801.07773v2 · doi: 10.48550/arxiv.1801.07773 · pith_short_12: E6ZGYJEIPV4N · pith_short_16: E6ZGYJEIPV4N4GRL · pith_short_8: E6ZGYJEI

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/E6ZGYJEIPV4N4GRLMKFXABRWFL \
  | 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: 27b26c24887d78de1a2b628b7006362af24e323d7b419b6a93668af88c4a578d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "362c2cdd4690c18aa55361647f8709d3b3d2c48f48d621fc0a126795effdc542",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-01-23T21:02:07Z",
    "title_canon_sha256": "430ab490041267068c95d7c68aa647a8d612593f89fb87a76563f5dbe6638049"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.07773",
    "kind": "arxiv",
    "version": 2
  }
}