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 TANAY, RIZAL Award a ₱4.5M contract to JMARC-Q CONSTRUCTION AND SUPPLYMunicipalities
Transaction hash:
7bb297fd9d60f66b9502bcccecfeb293a165d7fa9a5ce2564f56151e5517653f
Status:
Included and unchanged
Block:
#4,694 1,319 blocks after it
Position in block:
Transaction 62 of 135
Award day:
Jan 19, 2022 (4 yrs 9 mo ago)
Value:
₱4,465,598.42
Project:
Construction of Road at Catambay Extn. (Portion)
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 #4,694 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 TANAY, RIZAL awarded it to JMARC-Q CONSTRUCTION AND SUPPLY on 2022-01-19.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 Tanay 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 7bb297fd9d…17653fnow …
- 2. Block Merkle root changedstored adbb6808c3…0ac064now …
- 3. Block #4694 hash changedstored 0b0f5cea6a…4d08f1now …
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 134 records. Each step hashes the current value together with the sibling shown.
- leaf 7bb297fd9d60f66b9502bcccecfeb293a165d7fa9a5ce2564f56151e5517653f
- 01 R 82b63218421ed3757613fe6819c91149acefdfd74d4657a3699b767cc0181a1f
- 02 L f090238854b7297a5b2e0685b7f9bdcbd7ddb7888d62a6f807512695d77083c0
- 03 L 587c3c500e6d456e89f6337f43c2b2b7a9df9f6afd9b4416d2d913ce332313c6
- 04 L 463408f8280cc510e26d1f21fe5fb58a3b2ed818460a8278a887b7b9519ad4aa
- 05 L 1b7f7381732dbaa46b135a0662610781933e281a128c14e3c62258e10ee39d38
- 06 L 26c6446a5b1611dee6fe8d283c4309df485ff036be69c355be8d286aac9b141a
- 07 R 021464bcb2fcac5f30c960ef7a3ed69dd630e6e47420c03afa2cf4eb5d2cf9d7
- 08 R e9e9cca3b3f50259472714b51d70d5e72ef1baf0d22dc4ab685f9e3ad06236c7
- root adbb6808c3253890410f13ee67ba6391aec09d761b0c03c9be177f79290ac064