OpenTechnical

OT-2026-000103179

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000103179) never changes.

Identity and time

Publication numberOT-2026-000103179 · never reused
Internal UUID01a0aea4-be3e-721b-a940-65d397b47ebe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103179
StatusPUBLIC

Content hashes

Canonical text5679c8f5264ed99d9645bd918a804b71f6d2e28b5e0c78c6b35f1e6885100445
Markdown1f414445b5ca85414aef68c32baffeecfe94dbe236ef0510fbf2f1067cff6aeb
PDF
Publication pagef4b1ea29aafb1702dc9ff2f334aa0e13ebc45e3bc414bf5c9cbaf52c5ddfa1c3
Manifest81b3c7bae257f86b048833feabda029c0dd3a07a0584064e2681282facb9fcd5

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
Signature42COz1ALhCFkBS7lXls4cFDiPfIDeJfzc7y6Jtphxw+sSVXE472nE/qy0LSX6k7V3Ezq3jKH4lRLND6UbiazCg==
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

2026-09-17T09:23:23.940897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103179
observed f4b1ea29aafb1702dc9ff2f334aa0e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.921448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103179/manifest.json
observed 81b3c7bae257f86b048833feabda029c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.899908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103179/publication.md
observed 1f414445b5ca85414aef68c32baffeec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:23.879717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103179/publication.txt
observed 5679c8f5264ed99d9645bd918a804b71...
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.