Pith Number

pith:HBG2SLQP

pith:2015:HBG2SLQPLG6ZDQVBI36LCZIMTC

not attested not anchored not stored refs pending

Pinpointing the near-infrared location of Sgr A* by correcting optical distortion in the NACO imager

E. George, F. Eisenhauer, J. Dexter, K. M. Menten, M. Habibi, M. J. Reid, O. Pfuhl, P. M. Plewa, R. Genzel, S. Gillessen, T. Ott

arxiv:1509.01941 v1 · 2015-09-07 · astro-ph.GA · 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{HBG2SLQPLG6ZDQVBI36LCZIMTC}

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	2026-05-18T01:33:50.111891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

384da92e0f59bd91c2a146fcb1650c98b621ab8b0f7bb069751a08d7d98fce11

Aliases

arxiv: 1509.01941 · arxiv_version: 1509.01941v1 · doi: 10.48550/arxiv.1509.01941 · pith_short_12: HBG2SLQPLG6Z · pith_short_16: HBG2SLQPLG6ZDQVB · pith_short_8: HBG2SLQP

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/HBG2SLQPLG6ZDQVBI36LCZIMTC \
  | 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: 384da92e0f59bd91c2a146fcb1650c98b621ab8b0f7bb069751a08d7d98fce11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90cbb666836a0daf4e768b4ea1bcd4ccd1c11a9f8270c719bd4ac4ff8449fad0",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-07T08:11:21Z",
    "title_canon_sha256": "23f1ea21d7eaccef11b90f204291240b017506d81b54dc4ca278194a4b96ebf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01941",
    "kind": "arxiv",
    "version": 1
  }
}