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 ALITAGTAG, BATANGAS Award a ₱93.5K contract to O.I.C. CONSTRUCTION & SUPPLYMunicipalities
Transaction hash:
3d352de7a27c2afdf225c1aa67eb3698a4a472ab4d8a9ee5c991c09485782ff2
Status:
Included and unchanged
Block:
#1,878 4,135 blocks after it
Position in block:
Transaction 20 of 85
Award day:
Oct 2, 2013 (13 yrs 1 mo ago)
Value:
₱93,450.00
Project:
Construction Projects
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 #1,878 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 ALITAGTAG, BATANGAS awarded it to O.I.C. CONSTRUCTION & SUPPLY on 2013-10-02.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 Alitagtag 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 3d352de7a2…782ff2now …
- 2. Block Merkle root changedstored 9239e72429…25c418now …
- 3. Block #1878 hash changedstored ea1a38f7bc…2a48b3now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 84 records. Each step hashes the current value together with the sibling shown.
- leaf 3d352de7a27c2afdf225c1aa67eb3698a4a472ab4d8a9ee5c991c09485782ff2
- 01 R 3f0a11fce1e77ca9fe44eb24d41e591a59132f4dd916e5150104b3295e9bc29a
- 02 R 478b758be60231b9284f3ab7042803af2ba6575b720c9572fc8fea8a91fc3eb6
- 03 L b187470721fa0bbf9ffbf9f0f7fd9887872c1f602cc7230542a442c0f9129ab4
- 04 R ad42cd6d38428cc3c9caafe77c9d43566d8d45f364dd01cdcd0c15f1ef85f6bd
- 05 L 684615f81919c4df63a5c20cb7a89c09443aaa4391ecb6e83bb853ab66f40b19
- 06 R a380dc45adbd75ea3556a232854bdac667ccd27314f3412e2604e294b3f36994
- 07 R 84f023d660d83d0477ff5bdcd03c984cf6b5fa5fe5e698e9e07764d75c3a3102
- root 9239e7242930b441b72a811211dd651df0e4f0862494b023bf7096ebb425c418