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
DAVAO DEL NORTE STATE COLLEGE Award a ₱4.2M contract to R. SEMILLA CONSTRUCTION AND MARKETING - DAVAO CITYNational agencies
Transaction hash:
62387e4dfdade3749898048f70a13a48728715edc2f07fb7e05764b573b18c99
Status:
Included and unchanged
Block:
#3,289 2,724 blocks after it
Position in block:
Transaction 636 of 1,643
Award day:
Dec 29, 2017 (8 yrs 10 mo ago)
Value:
₱4,228,634.59
Project:
COMPLETION OF MULTI-PURPOSE EDUCATIONAL CENTER
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 #3,289 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)DAVAO DEL NORTE STATE COLLEGE awarded it to R. SEMILLA CONSTRUCTION AND MARKETING - DAVAO CITY on 2017-12-29.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)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
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 62387e4dfd…b18c99now …
- 2. Block Merkle root changedstored 9dc9e27074…fd8c8anow …
- 3. Block #3289 hash changedstored 5c697f15d8…3f436cnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,642 records. Each step hashes the current value together with the sibling shown.
- leaf 62387e4dfdade3749898048f70a13a48728715edc2f07fb7e05764b573b18c99
- 01 R 623bbebb304c82ad6e3d8aac67b8d5da6624485f693ce92ecd7b9ac635d91b6f
- 02 R f1222ee82f24f8435b51666e0064c74e32419a1dadd2556b61f24eb6f6162ba6
- 03 L b556a2d6a1323bcff5b617ae4db56ddc7978d54b1a6476e8b06609daf9c8d269
- 04 L 7cf605b45affc05d399d87ea06ed37e257589da2e2202dd7e3a43e798d7f510b
- 05 L 0b7221c50bb90d4bff2e8216eb8ef2daf2d612faea3e6ef9f41dc98dfeba09bd
- 06 L 6689a5c50cf0ea18399d81f6badd3bc0277239626975569bd48df027d4367231
- 07 L 1ef667faba07610cc471e4ee122384513f3d89fd740721df65f95ed50e8c0f39
- 08 R 127ef49b45ac441f5731f8231d2d82d59ed0815cdea3e1523109864dd89642d0
- 09 R d257b7236b1ed53ac267ef0269f65a6ab3eac74d14f3e72d2b1bf17fc66ccf11
- 10 L 1fbd841cfbf24be10a58d7ef199f6709a689fec85119f0170d14baa52e1e9fd6
- 11 R b47deafa284488e7f3da8ec3057c95cf3c93876d9566bba22655d93eeff3e235
- root 9dc9e270740df82fb2b10a8978ade80bfdfa3c2b06b3be04e9df5fcd02fd8c8a