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
APITransaction action
MUNICIPALITY OF BANGAR, LA UNION Award a ₱494.3K contract to ARM ASIA CONSTRUCTION & ENGINEERINGMunicipalities
Transaction hash:
d8e072dec5a88733908b28c7badf9d57e69180de1e9eb64af46825ef8ef87b0b
Status:
Included and unchanged
Block:
#3,876 2,137 blocks after it
Position in block:
Transaction 220 of 269
Award day:
Sep 13, 2019 (7 yrs 2 mo ago)
Value:
₱494,287.50
Project:
STREET LIGHTS, CENTRAL EAST NO. 1
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
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 #3,876 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)MUNICIPALITY OF BANGAR, LA UNION awarded it to ARM ASIA CONSTRUCTION & ENGINEERING on 2019-09-13.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of Bangar gave a "unmodified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored d8e072dec5…f87b0bnow …
- 2. Block Merkle root changedstored 664619cd95…35205bnow …
- 3. Block #3876 hash changedstored 9faa2c94f2…ce8832now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 268 records. Each step hashes the current value together with the sibling shown.
- leaf d8e072dec5a88733908b28c7badf9d57e69180de1e9eb64af46825ef8ef87b0b
- 01 R d9f0b35ffcd26c904a58f463cee7526da02836c9170cc7c3fd949cb49925e460
- 02 R 1de35e53aa2fa6cc9969290f673bb8c4e707580f8819bb83d1a8141979629e44
- 03 L e57aa1427297f6777f2735a3f1848d174e08c410522647bfe34a95ec103e52d3
- 04 L 13d8fd868879765502fad996ca0c441690ddbf9edd341513aca4d19fb5f26fe6
- 05 L 3987e1b39100e806c1890fff012e32785f6fe70ef8f48835da69103efa4ee5e1
- 06 R 0ad6354e386eac8424effbc008a673b726844d8f607c770f4b8dfc89ba7e3daf
- 07 L b3581292bc0aabfde3571e9b5045e254ead23601c8fd49071dc4abae983c2534
- 08 L be1066338db96a9933738d014e515d15420c4fe996aa2453e9b8b417fedb5c2d
- 09 R 69d4a37fdebb76ffa99437a9a3922f540c5148694530c2739c1f0bfd62aa86e7
- root 664619cd953e8a07e9d61d624348d988b39b16545b17361af9c9692c9035205b