OpenTechnical

OT-2026-000098875

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000098875) never changes.

Identity and time

Publication numberOT-2026-000098875 · never reused
Internal UUID01a0aea2-8286-766d-844e-69b009f59c04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098875
StatusPUBLIC

Content hashes

Canonical textfd7c83ba66ed39a94ee31e9488e280c2c60728fd12ba01f5908515a1cf9eb19d
Markdown307603bf9d16597bb6eef6f107f3b07c9e2214e92c9456ab4617bd32cb869e68
PDF
Publication page24ab985d801a8d5502c7755a10836e123309f9ac1e098a576e831e94fdba9183
Manifest7c4400c827f766cfcc134d9e92bde758a8f3a84f43dee399eeec6a69b4297ce1

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
SignatureaY3mQJMwEiMMDgFgq+pJvgm5g+YvIYHMUm8l+PP3o+unXHXYB9zjyr6gOSdp6csgseBD/MxMvdTrlT+LAfMYCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:55.432977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098875
observed 24ab985d801a8d5502c7755a10836e12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:55.415873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098875/manifest.json
observed 7c4400c827f766cfcc134d9e92bde758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:55.398215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098875/publication.md
observed 307603bf9d16597bb6eef6f107f3b07c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:55.380825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098875/publication.txt
observed fd7c83ba66ed39a94ee31e9488e280c2...
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.