Pith Number

pith:DDTSMYMU

pith:2017:DDTSMYMU2M6Z4HTCXW4YHZ6JNK

not attested not anchored not stored refs pending

Galactic Scale Feedback Observed in the 3C 298 Quasar Host Galaxy

Andrey Vayner, Etsuko Mieda, James E. Larkin, Lee Armus, Norman Murray, Shelley A. Wright

arxiv:1709.03510 v2 · 2017-09-11 · 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{DDTSMYMU2M6Z4HTCXW4YHZ6JNK}

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	2026-05-18T00:27:19.033879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18e7266194d33d9e1e62bdb983e7c96ab54bb6026e8877c1dfd8bc4f2fb6a0d3

Aliases

arxiv: 1709.03510 · arxiv_version: 1709.03510v2 · doi: 10.48550/arxiv.1709.03510 · pith_short_12: DDTSMYMU2M6Z · pith_short_16: DDTSMYMU2M6Z4HTC · pith_short_8: DDTSMYMU

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/DDTSMYMU2M6Z4HTCXW4YHZ6JNK \
  | 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: 18e7266194d33d9e1e62bdb983e7c96ab54bb6026e8877c1dfd8bc4f2fb6a0d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29506f124e3987512ccaf4796354f0fcdd4001175013fa884edc3d42aac2c0d8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-09-11T18:00:04Z",
    "title_canon_sha256": "3c79605e3be300f86ef81501ded442164cc148791e0f4881f10c64dfd63f40a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.03510",
    "kind": "arxiv",
    "version": 2
  }
}