Pith Number

pith:MML33BXC

pith:2017:MML33BXCEB2DEMONT7DIAI3YBU

not attested not anchored not stored refs pending

The Ultra-Fast Outflow of the Quasar PG 1211+143 as Viewed by Time-Averaged Chandra Grating Spectroscopy

(10) European Southern Observatory, (2) MIT Kavli Institute for Astrophysics, 3), (3) Harvard John A. Paulson School of Engineering, (4) Space Telescope Science Institute, (5) University of Bristol, (6) University of Hertfordshire, (7) Department of Physics, (8) Xiamen University, (9) Villanova University, Andrew J. Young (5), Applied Science, Ashkbiz Danehkar (1), Astronomy, Astrophysics, Baltimore, Bangalore, Bristol, Cambridge, China, Farid Rahoui (10), Fujian, Garching bei Munchen, Gerard A. Kriss (4), Germany), Hertfordshire, H. H. Wills Physics Laboratory, India, Indian Institute of Science, Institute for Theoretical Physics, Joseph Neilsen (9), Julia C. Lee (1, MA, Martin J. Hardcastle (6), Maths, MD, Michael A. Nowak (2), PA, Randall K. Smith (1) ((1) Harvard-Smithsonian Center for Astrophysics, School of Physics, Susmita Chakravorty (7), Taotao Fang (8), UK, USA, Villanova, Xiamen

arxiv:1712.07118 v2 · 2017-12-18 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MML33BXCEB2DEMONT7DIAI3YBU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:24:28.564214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6317bd86e220743231cd9fc68023780d111626e419847b4289d6795bb5a4badb

Aliases

arxiv: 1712.07118 · arxiv_version: 1712.07118v2 · doi: 10.48550/arxiv.1712.07118 · pith_short_12: MML33BXCEB2D · pith_short_16: MML33BXCEB2DEMON · pith_short_8: MML33BXC

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/MML33BXCEB2DEMONT7DIAI3YBU \
  | 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: 6317bd86e220743231cd9fc68023780d111626e419847b4289d6795bb5a4badb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcd6af5bdd69f465e2c9bb6ff9bb22b6872dafc28766e5c55eb3216bd43fa65c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-12-18T20:46:48Z",
    "title_canon_sha256": "1de03037e534b2d86a406fdac2302621f915e80b354beb08cd20913b48f4f4da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.07118",
    "kind": "arxiv",
    "version": 2
  }
}