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 RIZAL Award a ₱6.3M contract to TRANCOM ENGINEERING CONSTRUCTIONProvinces
Transaction hash:
c2609cd1e7d2c4376c09faac37b1e45c9e53e0e882b766cacd82748fc3a7e501
Status:
Included and unchanged
Block:
#561 5,452 blocks after it
Position in block:
Transaction 24 of 30
Award day:
Mar 20, 2009 (17 yrs 7 mo ago)
From:
Value:
₱6,263,329.02
Project:
Const. of two (2)-storey, 4-rooms Ynares School Bldg. (Type II) at San Juan Elem. School, Floodway A, Brgy. San Juan, Taytay, Rizal
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 #561 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 RIZAL awarded it to TRANCOM ENGINEERING CONSTRUCTION on 2009-03-20.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 Rizal gave a "not stated" 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 c2609cd1e7…a7e501now …
- 2. Block Merkle root changedstored d8c346d4ef…23a29enow …
- 3. Block #561 hash changedstored dd9a99d638…050e09now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 29 records. Each step hashes the current value together with the sibling shown.
- leaf c2609cd1e7d2c4376c09faac37b1e45c9e53e0e882b766cacd82748fc3a7e501
- 01 R d28a6694049d926ae5b85f2883dd7da717f99aec42170fd64431d91536cb40a4
- 02 R 344de1e14e5bba779005d23d418b6e95d185aff4642ce5d43fad2719058725af
- 03 R 39ac70006476feeb3884161b0f0c840547aa1ab249fa42ad851a1478396efa25
- 04 L 7b797b9bd2d19e622f9eb5035d39232c4035b3e8987c5bb1cc25289f76632c2f
- 05 L f7f676bae18d3fa6e3280236588a02d62a0ed4d77e8f3f0ecafdb460e0efc8f3
- root d8c346d4ef9aab00ea7bc991914d270edd5508552cf18efdb769640ad223a29e