OpenTechnical

OT-2026-000078529

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000078529) never changes.

Identity and time

Publication numberOT-2026-000078529 · never reused
Internal UUID01a0ae95-7c29-7b5b-afcc-2eac4ce19d8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078529
StatusPUBLIC

Content hashes

Canonical text012ea2a395fec2554e2b394c07614d0600e5fae558d886baeb217744e6f38018
Markdown7383ab91bc3bf87376ce27de338f93aba3b8f2801fc7aefc4bb086ed52666e49
PDF
Publication page81ce72d5ded03436b839c061abe3bac5d4f548d7c4180337c60419cbdc58b342
Manifest0eec98c06c92ab9c48ffc534f252113dd9416472140abcff315bdc76e997f212

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
Signature4VwoKPKUERJpyTH7ZaXTiXz5S8f+enWqu3UDNgywzf9yaZho+TdsjIQ3ftk7bk4UvIySFwcecjj/REji7hKmBw==
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

2026-09-17T10:06:32.931741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078529
observed 81ce72d5ded03436b839c061abe3bac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:32.915166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078529/manifest.json
observed 0eec98c06c92ab9c48ffc534f252113d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:32.897813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078529/publication.md
observed 7383ab91bc3bf87376ce27de338f93ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:32.880690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078529/publication.txt
observed 012ea2a395fec2554e2b394c07614d06...
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.