OpenTechnical

OT-2026-000041474

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000041474) never changes.

Identity and time

Publication numberOT-2026-000041474 · never reused
Internal UUID01a0ae79-b145-7cd5-aec2-49b6d74e6419 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041474
StatusPUBLIC

Content hashes

Canonical text08f7601c415f132429482162d86db90adb12e33283258f21a47bf7b7a2f930c1
Markdownea5aa399b08bf01fe72416228bf60333837b4c5d7fd1a0126ce966729e611ebe
PDF
Publication pagedc7053b6622f598909248b5ecf3d65505b4c1b8bd974793464ed27a272a388bf
Manifestdde44a016eae05a448515b85e6e7604ecd01c4c242f2484456af2b6587e93bda

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
SignatureFEtLTM5/SBoE9fJ8k+z4GvpEDUys7Fdvog+/jF6G53JAHNQ9slhdklrBTRa683TTVlnv6YTjBjMdGCXXgcfABw==
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

2026-09-17T11:17:30.280931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041474
observed dc7053b6622f598909248b5ecf3d6550...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.263430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041474/manifest.json
observed dde44a016eae05a448515b85e6e7604e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.245211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041474/publication.md
observed ea5aa399b08bf01fe72416228bf60333...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:30.226475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041474/publication.txt
observed 08f7601c415f132429482162d86db90a...
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.