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 MERCEDES, EASTERN SAMAR Award a ₱3.0M contract to J.A. DEVELOPERS AND ENGINEERSMunicipalities
Transaction hash:
edd2e96b3d8f60b700017f3d66ad68d014bb7f272f7605fc130174edcaadbba1
Status:
Included and unchanged
Block:
#4,165 1,848 blocks after it
Position in block:
Transaction 146 of 160
Award day:
Jul 17, 2020 (6 yrs 3 mo ago)
Value:
₱2,999,499.48
Project:
PROPOSED REHABILITATION OF MUNICIPAL ROADS
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 #4,165 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 MERCEDES, EASTERN SAMAR awarded it to J.A. DEVELOPERS AND ENGINEERS on 2020-07-17.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 Mercedes gave a "qualified" 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 edd2e96b3d…adbba1now …
- 2. Block Merkle root changedstored fd55f030b1…33beeanow …
- 3. Block #4165 hash changedstored ef44027c2f…82458bnow …
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 159 records. Each step hashes the current value together with the sibling shown.
- leaf edd2e96b3d8f60b700017f3d66ad68d014bb7f272f7605fc130174edcaadbba1
- 01 R f0e147b429961a0533fa289bd000abd56e92f8e4a2b7504829bab50bb0ea7545
- 02 L af25dd70096024fee55ed5e61c4587f2b07d2d59c0fddff35666f5980553f417
- 03 R 7d3d76f6a6c7eb0aa80fc0f31cd740d3f99eb52706c39d505fb3d34bb7bf8565
- 04 R 330dc6994291cfb5b95071366d80e2a8cf325d7d44db89ce7ad2e298f4b0e775
- 05 L 4370fabd80f720b7ff3d2458807aad0385796c1cf50cf2cc211285f82e33cd5d
- 06 R e7a00a73c85d00842684634da2b75e7df1f39659334a7b1d66a9db72cd68f420
- 07 R dcd3c7cfd9db597b11cbb5d073aaf7e8e5077de9a1787aeccc56ddf4d2277ac8
- 08 L 1004c308bfa9c4934ea9e3096097691bd02cbb82ac576c4628c3be8107a92173
- root fd55f030b11a8d26b23fba61accf724590bfdfcadc38fccc09b7f7416333beea