OpenTechnical

OT-2026-000052882

Publication integrity record

Foam pad vacuum gripper, three stage ejector, vented 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-2026-000052882) never changes.

Identity and time

Publication numberOT-2026-000052882 · never reused
Internal UUID01a0ae84-a42f-7533-ab35-c76847ba00ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052882
StatusPUBLIC

Content hashes

Canonical text4bb4c6f18ee9ead785fa86cc8999c267d30721680513190cd47a42210acc0e7e
Markdown8158ea8043e9977a252fa91428170c23f8e6389a16516e287377ddad3d8377b5
PDF
Publication page7597efb0e9c4b6cdac467b1a043370a3aa8b70295bba85ca71fa20551ab3744a
Manifest47e8c77720839b914a7c4f03f3d0a82e0cc81fd1b6901099f5c7a0bb4d61b2f2

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
SignaturezF8dev8H2QM4tVrWdViNxsX4K/hsvWXYZ9BDAX2PTtL602OM+KBFsS7WCag7p4CUx3Al2vn45ylir1ohXpWxAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:31.140800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052882
observed 7597efb0e9c4b6cdac467b1a043370a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:31.123167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052882/manifest.json
observed 47e8c77720839b914a7c4f03f3d0a82e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:31.105292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052882/publication.md
observed 8158ea8043e9977a252fa91428170c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:31.088248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052882/publication.txt
observed 4bb4c6f18ee9ead785fa86cc8999c267...
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.