Pith Number

pith:T7QCIWRQ

pith:2017:T7QCIWRQQDV4256TY6DNIPAEDT

not attested not anchored not stored refs pending

Characterizing TW Hydra

Benjamin T. Kidder, Casey P. Deen, Daniel T. Jaffe, Gregory N. Mace, Heeyoung Oh, Hwihyun Kim, Jae-Joon Lee, Kimberly R. Sokal

arxiv:1712.04785 v1 · 2017-12-13 · 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{T7QCIWRQQDV4256TY6DNIPAEDT}

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	2026-05-18T00:23:28.606106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fe0245a3080ebcd77d3c786d43c041cca3c8b65123a33465e1140cf6b1de4b4

Aliases

arxiv: 1712.04785 · arxiv_version: 1712.04785v1 · doi: 10.48550/arxiv.1712.04785 · pith_short_12: T7QCIWRQQDV4 · pith_short_16: T7QCIWRQQDV4256T · pith_short_8: T7QCIWRQ

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/T7QCIWRQQDV4256TY6DNIPAEDT \
  | 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: 9fe0245a3080ebcd77d3c786d43c041cca3c8b65123a33465e1140cf6b1de4b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14e61891ad758ed8be114da2367fcda00e22b2f9c86e0f6fd0569d610f3ef905",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-12-13T14:27:13Z",
    "title_canon_sha256": "1de59dadb0da230600d43d63c15d3ed7e14869c1671f5919c3efb91fe9389c13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04785",
    "kind": "arxiv",
    "version": 1
  }
}