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
PHILIPPINE PORTS AUTHORITY - PMO ZAMBOANGA DEL NORTE Award a ₱27.5M contract to GRACE CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
f12bc9ea12f2f4fbf10447f9d5c958aab2b88aba82976f8fad0b57cd6c5919cf
Status:
Included and unchanged
Block:
#4,611 1,402 blocks after it
Position in block:
Transaction 445 of 475
Award day:
Oct 27, 2021 (5 yrs ago)
Value:
₱27,494,604.86
Project:
RC Deck & Pile Cap Liloy
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 #4,611 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)PHILIPPINE PORTS AUTHORITY - PMO ZAMBOANGA DEL NORTE awarded it to GRACE CONSTRUCTION CORPORATION on 2021-10-27.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 f12bc9ea12…5919cfnow …
- 2. Block Merkle root changedstored 8bdfc8fae8…48b275now …
- 3. Block #4611 hash changedstored 314b9ebd15…8f1203now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 474 records. Each step hashes the current value together with the sibling shown.
- leaf f12bc9ea12f2f4fbf10447f9d5c958aab2b88aba82976f8fad0b57cd6c5919cf
- 01 L ef5a93bb577863d9da2f1a3d0559c1f1569edd61a41a53f87fc8ed8062eb561d
- 02 R 33d355ff26ecfd975302f150f5d930ca3cfb9338b6064c5c485844d7b9f717ca
- 03 L 65cbe364f36d9328bed31bbb5f15ace689b3447adb0b41840699ad66fb0be6a8
- 04 L b197a2fdd1333977d141307229b604817ad665d55937ddf6e94275bb2765683b
- 05 L 505d44606df68830d0aff27cd5cbc6d743e2bed2c7899f76d3cfb1d4f7663b3c
- 06 L e28f2fe0091964c0efc66c721f3796cbd21d6ad8b2981f8d5fd1a4fc2470247d
- 07 R 0b683665b30a3ac5a6c4ed4ba34c186e2345f6dd47b1fbf351b690ad294d190f
- 08 L b94f230b2f671435934c852e429603c2b6c2548538f966d67da58d4156d813f4
- 09 L 818f346d52c7907f82b0bc2bef454d10b770b6ef4415cf9dc7ac2dd427639e09
- root 8bdfc8fae830a3827356c9dcf45c6a45478a6d829ff8d6fffeea5a183348b275