Pith Number

pith:DPJ44BZI

pith:2018:DPJ44BZIKY4WYVSVTGNDDJPIGE

not attested not anchored not stored refs pending

The Thirty Meter Telescope International Observatory facilitating transformative astrophysical science

G.C. Anupama, Raghunathan Srianand, Warren Skidmore

arxiv:1806.02481 v1 · 2018-06-07 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DPJ44BZIKY4WYVSVTGNDDJPIGE}

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	2026-05-18T00:13:56.697214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bd3ce072856396c5655999a31a5e83130077db907a2a1ad030e79264ee7c0cc

Aliases

arxiv: 1806.02481 · arxiv_version: 1806.02481v1 · doi: 10.48550/arxiv.1806.02481 · pith_short_12: DPJ44BZIKY4W · pith_short_16: DPJ44BZIKY4WYVSV · pith_short_8: DPJ44BZI

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/DPJ44BZIKY4WYVSVTGNDDJPIGE \
  | 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: 1bd3ce072856396c5655999a31a5e83130077db907a2a1ad030e79264ee7c0cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a31b2d373e6d6686fde0ddbca255fc6ade7d993ccdcad3b3fe299b71d1dbf8a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-06-07T01:29:26Z",
    "title_canon_sha256": "521cbaa38fb4ba8336e83d2ae32d9ee168df8d6dedb2bc574d1b649cb27b0533"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.02481",
    "kind": "arxiv",
    "version": 1
  }
}