OpenTechnical

OT-2026-000022762

Publication integrity record

Foam pad vacuum gripper, pump fed, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000022762) never changes.

Identity and time

Publication numberOT-2026-000022762 · never reused
Internal UUID01a0ae70-46ea-7e48-8730-c55baee59530 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022762
StatusPUBLIC

Content hashes

Canonical text05c2ab8eae3610e15c91bd8b4ae4e167edeef0566cbee62c6392008ae4e7db53
Markdown07bdb030f1ed81a2b5e47e9deb3a930231fea0d5eb26cbdfa07e39ef169b4678
PDF
Publication page97daac9ae572cf972d84340c21943eaaef67bb140b9af989e65a7eab23138efb
Manifestb96e80607b8a9f9fb3802050eb93af93a1183daa23e8c2174520833168f9c001

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturez3aDF1Z6j+7i352kxxhLwu3fbXcucp2ahIQApgw4thV+eYJx0z36TV4ARrlRZ1MFo/WI0CJhzeTQ7U2Mah1FDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:16.493871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022762
observed 97daac9ae572cf972d84340c21943eaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:16.474382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022762/manifest.json
observed b96e80607b8a9f9fb3802050eb93af93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:16.456331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022762/publication.md
observed 07bdb030f1ed81a2b5e47e9deb3a9302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:16.437195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022762/publication.txt
observed 05c2ab8eae3610e15c91bd8b4ae4e167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.