OpenTechnical

OT-2026-000022807

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, pulsed 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-2026-000022807) never changes.

Identity and time

Publication numberOT-2026-000022807 · never reused
Internal UUID01a0ae70-46ea-76df-9057-946057ec9fe4 · 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-2026-000022807
StatusPUBLIC

Content hashes

Canonical text8ee3a7f33234bb9e4d8bca37c48fde0f54abe393a95f2f270360236058bea238
Markdown5223530ffeaedfbc8c3abdb34cf516f0b432dc017f72d0d747821c546ad67296
PDF
Publication page234bf0b3266afbf409c190fdbd2c7970900af3690321aed88aa1958cd86ae04a
Manifestfa8d57050949df93e293b2b332e12aa1bc0259ef20aab45d9e888dc2fc1c3d37

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
SignatureLL5eSbwTsN7B93KHkaMcRWTgAlwwBgtJVCBm++YX5dLDpwzNL4tWRKebBssSaS2AROlj5gZoVgEUvi7BomIjCQ==
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

2026-09-17T11:52:19.984379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022807
observed 234bf0b3266afbf409c190fdbd2c7970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.966636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022807/manifest.json
observed fa8d57050949df93e293b2b332e12aa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.948539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022807/publication.md
observed 5223530ffeaedfbc8c3abdb34cf516f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.930858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022807/publication.txt
observed 8ee3a7f33234bb9e4d8bca37c48fde0f...
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.