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
PROVINCE OF NORTHERN SAMAR Award a ₱1.1M contract to CHRISTFER CONSTRUCTION & SUPPLYProvinces
Transaction hash:
0cb4e4d4b8eb037d390f3c2fb0389016c83467358a2f4b8d20f1d47c619d2e23
Status:
Included and unchanged
Block:
#3,762 2,251 blocks after it
Position in block:
Transaction 55 of 1,032
Award day:
May 14, 2019 (7 yrs 6 mo ago)
Value:
₱1,101,916.36
Project:
Construction Project
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 #3,762 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)PROVINCE OF NORTHERN SAMAR awarded it to CHRISTFER CONSTRUCTION & SUPPLY on 2019-05-14.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 Northern Samar 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 0cb4e4d4b8…9d2e23now …
- 2. Block Merkle root changedstored 38292d371f…11f14dnow …
- 3. Block #3762 hash changedstored 252ff3b608…21a481now …
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 1,031 records. Each step hashes the current value together with the sibling shown.
- leaf 0cb4e4d4b8eb037d390f3c2fb0389016c83467358a2f4b8d20f1d47c619d2e23
- 01 L 0ca2295641516e9760f4e2bd406fbbf36163b4e927ded1c660e402cf6811f730
- 02 L a2d02fff82663ddcea380defff8b88c24d7d74d8a0bfc1707aa4afed81e2d6a6
- 03 L 83239e68539ff17df39124097e90a52703efbdeef097b59890a673c9e22b3f5c
- 04 R 30ef84ef1ccfb998d7053d996e5b27314498e607c0efd170974a1e1badffc8b2
- 05 L 8bef0ea5560c9e3125e7b08b6d6f10780630a628ec2a8bf36fb29610e7e0cc67
- 06 L 62a52d01ad93080e43fca927931c2e8055da82932ba55919085b01ed9b15507d
- 07 R cdf6414e4138ce5fe40cf9eb273830844b53f39f2748ce9f3b7ced99d5c10b7e
- 08 R fc059e1736191952ee9b84e4286057e25595e1853e0a7b72e875c61c846fbeb8
- 09 R 3ecac631eccc102400a7093cd6d799306c1f5318deb77c1ee26c21b899cba0d4
- 10 R 71a0bd293f7268894d1778328afcbbad7f2a0018723fadabbf74e109b81322f4
- 11 R 6a48212d767f119918d835eab6807d61ee2a02c0330964087fec48ca1513fb16
- root 38292d371f9de3dd529b8f59594859b066f469fb9b1e07afcce0f22a1811f14d