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 DINAGAT ISLANDS Award a ₱398.7K contract to DANREV CONSTRUCTION AND SUPPLYProvinces
Transaction hash:
dff09866ebbd05e8fbc7398bae5a41d6a7c72749f08d4ba8796d94536e6cb278
Status:
Included and unchanged
Block:
#4,516 1,497 blocks after it
Position in block:
Transaction 156 of 187
Award day:
Jul 23, 2021 (5 yrs 3 mo ago)
Value:
₱398,713.59
Project:
INFRA 2021-05 (SVP)
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 #4,516 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 DINAGAT ISLANDS awarded it to DANREV CONSTRUCTION AND SUPPLY on 2021-07-23.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 Dinagat Islands 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 dff09866eb…6cb278now …
- 2. Block Merkle root changedstored e6ac7640d2…15efa3now …
- 3. Block #4516 hash changedstored 218ee5a193…3af0bbnow …
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 186 records. Each step hashes the current value together with the sibling shown.
- leaf dff09866ebbd05e8fbc7398bae5a41d6a7c72749f08d4ba8796d94536e6cb278
- 01 R e012971513ac14766957ecfd3d7fb7f0a4cb56c7908b1cbd59fe710ae9cc5208
- 02 R 64da03a14b551c7ae0b0fc54d7e43a7286f5cd0764edf95247080612ce35ba38
- 03 L d980397a0aec054f398199bbcf6bfc086b9533e65d2df12b3e9a5ad370dee53f
- 04 L ebd6055c1e3ac16fb2fafcc633df689f262f742883818f0eb1b9881d8abee2f1
- 05 L 4bd37fece0dda059c4555ba8774c8e9a49a78507f59fa6b45b1d0d31b0a288b6
- 06 R 84f9d1ae505e31161cbeff01f90fbf8f900de98355056c47c3379b49eb751224
- 07 R d652a67cc139767e376f92786f6538fe4f934c67adb0f53f5aa872aa9e289522
- 08 L 790520f7f6ec5e55ddcdc8d4f668787f2b7d87d7373780102f42350513c6a17b
- root e6ac7640d20400f4201b312fd69d4de4df4f7e23c6d8eedbd58409f8b215efa3