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
CITY OF LEGASPI, ALBAY Award a ₱698.0K contract to TWIN ACER BUILDERS AND SUPPLYCities
Transaction hash:
aed7bbffeaf295a2f9f568881bb2b069ff483096b49ea8c986c4baa22690d6e2
Status:
Included and unchanged
Block:
#818 5,195 blocks after it
Position in block:
Transaction 58 of 81
Award day:
Mar 9, 2010 (16 yrs 8 mo ago)
Value:
₱697,989.85
Project:
invitation to bid for furnishing of labor, materials and equipment for the Proposed Repair/Improvement of School Facilities at Pawa Elementary School, Pawa, Legazpi City
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 #818 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)CITY OF LEGASPI, ALBAY awarded it to TWIN ACER BUILDERS AND SUPPLY on 2010-03-09.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 aed7bbffea…90d6e2now …
- 2. Block Merkle root changedstored bb39d22f8f…a2f645now …
- 3. Block #818 hash changedstored 31ac99c755…eb8388now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 80 records. Each step hashes the current value together with the sibling shown.
- leaf aed7bbffeaf295a2f9f568881bb2b069ff483096b49ea8c986c4baa22690d6e2
- 01 R b2420cc8f5e625e3649a2e2f95f65b327bd3b7bfee54995f5fbee89225add451
- 02 L 8df5ddbbb70dd728f2bb432d168b3769a5ab1f8e238d35f254a4b5c2dce6893e
- 03 R 62683dde27ab153e2828156518a3bf857edc21d4589743a7c98a3b3f88c3186f
- 04 L 1b88eb3e15f9f74ae6fc9f804f8f02ba0958602a9abfcae3c50500dbb8a8b4af
- 05 L 1ddb2f1bfb6a3ac203d20c08f8465ecf8d6bafc1d122b5e984d5e9d557f1d035
- 06 L 01b8dd202bcf821ccdabb965118b4ff6e88e4e95009da7c84267bfd941cdd9ec
- 07 R bef89e9372df047f33755a54f95458f9dc727ade812f291f0dfca017f660b467
- root bb39d22f8fc3c257e1958bd4810b33d60b01dada0e63160c8d48e3367fa2f645