OpenTechnical

OT-2026-000078835

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off 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-2026-000078835) never changes.

Identity and time

Publication numberOT-2026-000078835 · never reused
Internal UUID01a0ae95-ccbd-7c12-a94e-6e34f771a431 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078835
StatusPUBLIC

Content hashes

Canonical text6ae1d032f4663f6af70058679e11efb3cef0cba7903fb4eaa96f7a2a377d59b4
Markdown9518d1898a8c54af4325b82ff1b83aa0293f3276fd208ac23b4078641bf940c1
PDF
Publication pageb4713956a1558073eb8420a0995b5e1a3f3b5dc50e4e2e286c8c793eb7618060
Manifest0f6a02a3d4188595439e9d5a00b285e207ef0f4c6369e92bd3fbf942f3ac3486

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
SignatureWV6IeMHlFlKP7yYUeygrR1kUE8JZWhl0ibSrQ1VEJ/C9zSPimyFzUfmaKEgnlA4yWp9D4sSLcYWuml1IbIliAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:38.023656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078835
observed b4713956a1558073eb8420a0995b5e1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:37.993560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078835/manifest.json
observed 0f6a02a3d4188595439e9d5a00b285e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:37.976501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078835/publication.md
observed 9518d1898a8c54af4325b82ff1b83aa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:37.939127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078835/publication.txt
observed 6ae1d032f4663f6af70058679e11efb3...
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.