Pith Number

pith:LTPVYLAN

pith:2017:LTPVYLANNC7E6NXB3XIZPCCW7Q

not attested not anchored not stored refs pending

Spectroscopy of 10 gamma-ray BL Lac objects at high redshift

Aldo Treves, Marco Landoni, Renato Falomo, Riccardo Scarpa, Simona Paiano

arxiv:1705.07454 v1 · 2017-05-21 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LTPVYLANNC7E6NXB3XIZPCCW7Q}

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	2026-05-18T00:38:26.128766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cdf5c2c0d68be4f36e1ddd1978856fc2a3f32a40810b1659a044d5e0013166e

Aliases

arxiv: 1705.07454 · arxiv_version: 1705.07454v1 · doi: 10.48550/arxiv.1705.07454 · pith_short_12: LTPVYLANNC7E · pith_short_16: LTPVYLANNC7E6NXB · pith_short_8: LTPVYLAN

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/LTPVYLANNC7E6NXB3XIZPCCW7Q \
  | 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: 5cdf5c2c0d68be4f36e1ddd1978856fc2a3f32a40810b1659a044d5e0013166e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33ce6f37f3ab6c6bde728d3a9783b58d719692e1a2fb0e337afd4a62ccd28ef0",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-05-21T14:22:20Z",
    "title_canon_sha256": "53031fd137bdfd816e7146d1eb4b306a41d8cc53b9313154c87223bb38edc59f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07454",
    "kind": "arxiv",
    "version": 1
  }
}