OpenTechnical

OT-2026-000082139

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000082139) never changes.

Identity and time

Publication numberOT-2026-000082139 · never reused
Internal UUID01a0ae97-4d93-7653-aec4-0bfc4edd4706 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082139
StatusPUBLIC

Content hashes

Canonical texta6674b40cfd679bdb28fd8c5467348b7feb3f382c070583c58e17c365fafe06a
Markdown5732eea8f13c0ad109440a3e227e2415c573989f4673a9bb3c77ee06e6cee33e
PDF
Publication page4a97ae9abdb87002cdf09df3b4ffec1a3aca75da89b57ff2e0aba94c5a37e01c
Manifest360e43f3bd15bbfb429eb5580f4e2f4d5dc492dca2d0f9291f3b6fbede113649

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
Signature961pLejL8BuLwwbqsABhZJsP4hG8KXo/1Ym5Qdlv6Cx1JY8qm0ml56u0JAv+fwyk7G/d8TvKoe0xMubdckhbBA==
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

2026-09-17T09:58:57.425813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082139
observed 4a97ae9abdb87002cdf09df3b4ffec1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.407561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082139/manifest.json
observed 360e43f3bd15bbfb429eb5580f4e2f4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.389563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082139/publication.md
observed 5732eea8f13c0ad109440a3e227e2415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:57.370367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082139/publication.txt
observed a6674b40cfd679bdb28fd8c5467348b7...
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.