Pith Number

pith:TMIGYUIT

pith:2019:TMIGYUITLX265FSVBGVRTATVLL

not attested not anchored not stored refs pending

Site selection for the 3.4m optical telescope of the Iranian National Observatory

Ahmad Darudi, Habib G. Khosroshahi, Marc Sarazin, Sadollah Nasiria

arxiv:1903.01785 v1 · 2019-03-05 · 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{TMIGYUITLX265FSVBGVRTATVLL}

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	2026-05-17T23:51:59.771489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b106c51135df5ee965509ab1982755adc06bc1a4c1f0d77d8a8a423f4541ba0

Aliases

arxiv: 1903.01785 · arxiv_version: 1903.01785v1 · doi: 10.48550/arxiv.1903.01785 · pith_short_12: TMIGYUITLX26 · pith_short_16: TMIGYUITLX265FSV · pith_short_8: TMIGYUIT

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/TMIGYUITLX265FSVBGVRTATVLL \
  | 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: 9b106c51135df5ee965509ab1982755adc06bc1a4c1f0d77d8a8a423f4541ba0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "879c01226fdcd92fdd3bf34f2d5f0c43cd4ded7ecd9f541bfb08915e983a8287",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-03-05T12:35:14Z",
    "title_canon_sha256": "658abe989c3f40e36c7d781ef95c13f3238ec065cb624fadb4ead194ee122c26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01785",
    "kind": "arxiv",
    "version": 1
  }
}