OpenTechnical

OT-2026-000030162

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000030162) never changes.

Identity and time

Publication numberOT-2026-000030162 · never reused
Internal UUID01a0ae73-e500-7379-a8fa-363d1b275c55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030162
StatusPUBLIC

Content hashes

Canonical text6f12bb318f56d1200f70d41903d1b852f243cd72ff8f3a52c5e4c005fb09649e
Markdown8532c48d7baf4ce1bae3f323b48c2c09206ffd723e0d4deaa48e5bf6fb2adf35
PDF
Publication page73c1fa327fb57c73ac575723269f4d721da334f0716789eaabbd1a5427719be8
Manifest108c78b3c1608c95c97085656def686b7a55f458f488d80668117f8674c69f90

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
SignatureyMKKaxPZ8BjQL8LsM+iW1AY1fi+ugQ4fPrSKN1mqVTeKkKKtL2/QR8XRt9MN30yS9EZ8V/hQf975+7805Uk3Aw==
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

2026-09-17T11:40:31.230125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030162
observed 73c1fa327fb57c73ac575723269f4d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:31.211938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030162/manifest.json
observed 108c78b3c1608c95c97085656def686b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:31.189645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030162/publication.md
observed 8532c48d7baf4ce1bae3f323b48c2c09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:31.170611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030162/publication.txt
observed 6f12bb318f56d1200f70d41903d1b852...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:47.629414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030162
observed 73c1fa327fb57c73ac575723269f4d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:47.610363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030162/manifest.json
observed 108c78b3c1608c95c97085656def686b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:47.593440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030162/publication.md
observed 8532c48d7baf4ce1bae3f323b48c2c09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:47.575974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030162/publication.txt
observed 6f12bb318f56d1200f70d41903d1b852...
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.