DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API

Transaction action

NATIONAL HOUSING AUTHORITY Award a ₱162.0M contract to SILVER DRAGON CONSTRUCTION LUMBER AND GLASS SUPPLYNational agencies

Transaction hash:

8a8662814ab35646a67cd7a6d266fb1a438f00345d408dfa20ad06b06dd0f253

Status:

Included and unchanged

Block:

#2,221 3,792 blocks after it

Position in block:

Transaction 81 of 149

Award day:

Oct 24, 2014 (12 yrs ago)

From:

NATIONAL HOUSING AUTHORITY

To:

SILVER DRAGON CONSTRUCTION LUMBER AND GLASS SUPPLY

Value:

₱161,997,896.00

Project:

Construction of 559 Fully Developed Lots Completed Housing Units under the NHA’s Yolanda Permanent Housing Program Located at Brgy. Old Poblacion, Escalante, Negros Occidental

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

NATIONAL HOUSING AUTHORITY

Accountable officer:

Not stated in the source. PhilGEPS does not publish who certified the award.

Certification:

Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.

Demo signature:

Block #2,221 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
The award does not say which budget line pays for it.
Not published
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
NATIONAL HOUSING AUTHORITY awarded it to SILVER DRAGON CONSTRUCTION LUMBER AND GLASS SUPPLY on 2014-10-24.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
No completion certificate published.
Not published
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored 8a8662814a…d0f253now …
2. Block Merkle root changed
stored 60bc3a86bd…d20630now …
3. Block #2221 hash changed
stored 747e85a356…44aebfnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 148 records. Each step hashes the current value together with the sibling shown.

leaf 8a8662814ab35646a67cd7a6d266fb1a438f00345d408dfa20ad06b06dd0f253
01 L 88c5e7127fb7755aab2e8d6e1b0f959e344d188af7e6de68eddfe313de7f740a
02 R be54d77baeb62ae7456c9941ae760889539deae23ede95d1759b168dfd9e4d86
03 R dc27ba11ae078ffca3ab2a09a3258769bafbf1088fb4a31621ab08d91d53f77c
04 R d5f54da2a0f1e71a657ffde5021a1c98b9d9554bffea303820b1eedd26eeae82
05 L 467866e74fe2fb1cdf45896301e03dd0b33a7fdff936e939fa99495ea9b33106
06 R d2663e210ef40133f4df7af716b1dfc881d149b68e0cb8896b9fae92533c1416
07 L 819212d3e520920fbd3b00d092148b498d5b76e3c52a58c1b130c5316b0b3931
08 R c4e242cbc2c6e63b4eb6e5d017578f3f6e346737aa36501634828ea6cf8adfae
root 60bc3a86bde49ef4eec66d93c623fdaed8982fc352e59ff8eecd480265d20630