OpenTechnical

OT-2026-000011274

Publication integrity record

Foam pad vacuum gripper, single stage ejector, vented 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-2026-000011274) never changes.

Identity and time

Publication numberOT-2026-000011274 · never reused
Internal UUID01a0ae6c-5410-75e7-acca-5dae5b24ae4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011274
StatusPUBLIC

Content hashes

Canonical text6c9bf73b5cb809cf36d25ce66d305e8c534de7e7cc3fc324434deaf14b62b0ae
Markdown009937b9ac6e045fea4671fabdf72d91d81886bb239bba0bcc6651bb51971e02
PDF
Publication pageac639837a4842c9faafd038503fc0d50f480fcfce902f59a9c96352dede1da0e
Manifestb8d6fc40bf2e7e59191ea71109a2569da1c96fe7f0e259769dadec9fc145bb4c

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
SignatureEG5Wp1s0lIjPuW49UjlUWgGiDFSqp9/Tdnyz+jeVieN4ndwQ39O25MpnT0exEqC/0OBQFAfIf380aUnQ9sk0Dw==
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

2026-09-17T12:14:14.928539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011274
observed ac639837a4842c9faafd038503fc0d50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:14.909044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011274/manifest.json
observed b8d6fc40bf2e7e59191ea71109a2569d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:14.891433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011274/publication.md
observed 009937b9ac6e045fea4671fabdf72d91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:14.871481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011274/publication.txt
observed 6c9bf73b5cb809cf36d25ce66d305e8c...
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.