Pith Number

pith:BK6YGSUZ

pith:2009:BK6YGSUZ7G54JAXQ4TN5YRJSDD

not attested not anchored not stored refs pending

UNICS - An Unified Instrument Control System for Small/Medium Sized Astronomical Observatories

Abhay A. Kohok (Inter-University Centre for Astronomy, A. N. Ramaprakash, Astrophysics, Hillol K. Das, IUCAA), Kalpesh S. Chillal, Mahesh P. Burse, Mudit K. Srivastava, Pravin A. Chordia, Vilas B. Mestry

arxiv:0904.3162 v1 · 2009-04-21 · 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{BK6YGSUZ7G54JAXQ4TN5YRJSDD}

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	2026-05-18T02:13:58.655128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0abd834a99f9bbc482f0e4dbdc453218c3a9931c9d19ad9ab3b2a2ee57901fa1

Aliases

arxiv: 0904.3162 · arxiv_version: 0904.3162v1 · doi: 10.48550/arxiv.0904.3162 · pith_short_12: BK6YGSUZ7G54 · pith_short_16: BK6YGSUZ7G54JAXQ · pith_short_8: BK6YGSUZ

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/BK6YGSUZ7G54JAXQ4TN5YRJSDD \
  | 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: 0abd834a99f9bbc482f0e4dbdc453218c3a9931c9d19ad9ab3b2a2ee57901fa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6928ae475ae19733498fb384aeb41d41ebac385527517ca2825e9b80443192f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-04-21T19:50:05Z",
    "title_canon_sha256": "7e244fd347c7b67fa85ee4b399dae50daac5cccdbcbc8ecbb5b22eef2f899939"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3162",
    "kind": "arxiv",
    "version": 1
  }
}