OpenTechnical

OT-2026-000008230

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000008230) never changes.

Identity and time

Publication numberOT-2026-000008230 · never reused
Internal UUID01a0ae6a-908d-7d7e-b587-d02180d3c9c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008230
StatusPUBLIC

Content hashes

Canonical text3c74c8e2c1852062a9001b9f63ddb126113de838445f7c9c284e3a8a63c5d1bd
Markdown7cf868fed66b8a426b87c66c448ad2c601aa179aa5c9801ad33334c8f97b8220
PDF
Publication page72eaf4a9947f5a5e2cf53199ecff4bd559594ae13e75e0ea1255aa74cc4f3813
Manifestd0b28eed2b37900b1018de6487d11fe928e58cb33e42d664dfa87aeb8b3c9b1e

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
SignaturebAElO8kDSbcDiBI/ewK/eO1FcZ7QydeXG4sZD+f9D/PnotjAkFDPKK1q5ZNBr9Q8wnWbaMZcbtVMcXU9wugjDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:39.054876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008230
observed 72eaf4a9947f5a5e2cf53199ecff4bd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:39.036224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008230/manifest.json
observed d0b28eed2b37900b1018de6487d11fe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:39.017938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008230/publication.md
observed 7cf868fed66b8a426b87c66c448ad2c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:38.998455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008230/publication.txt
observed 3c74c8e2c1852062a9001b9f63ddb126...
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.