OpenTechnical

OT-2026-000098517

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, supply line 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-2026-000098517) never changes.

Identity and time

Publication numberOT-2026-000098517 · never reused
Internal UUID01a0aea1-e966-720d-ae01-1d8f89750042 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098517
StatusPUBLIC

Content hashes

Canonical text2f229bc2126661d6b3c7a018f5d1f16e5f30664939fa39df2d8e1445fd2ed1b2
Markdown8173b388a3e0370201dd3686e1d6d8ab18274bc812f4fb96cae91e8e9fc7d860
PDF
Publication page7bc8a9c72252bb93c93807fc1ba76c0a54f688f3bf54ba8a633a76fb59008bf9
Manifesteedd8407c0afeca6fe80c997133c539d59f832768ea7a7d9b64d8e35bdb6b8b2

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
Signature3KV8n0o5sJeGHAsA1k3m8tIx4a0TNpwux7EbAd10VvjjzPuaefQRlnEmvv4zgyo7yqM1b3WG5jlnIaWSww1GBw==
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

2026-09-17T09:32:23.524824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098517
observed 7bc8a9c72252bb93c93807fc1ba76c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:23.507482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098517/manifest.json
observed eedd8407c0afeca6fe80c997133c539d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:23.490656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098517/publication.md
observed 8173b388a3e0370201dd3686e1d6d8ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:23.473831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098517/publication.txt
observed 2f229bc2126661d6b3c7a018f5d1f16e...
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.