OpenTechnical

OT-2026-000060686

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, vented 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-2026-000060686) never changes.

Identity and time

Publication numberOT-2026-000060686 · never reused
Internal UUID01a0ae8a-b7ce-7379-9feb-0b980a9d9fd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060686
StatusPUBLIC

Content hashes

Canonical textc373fdc942f05c97b81003c1fcd4d8ab83f07ad2d61bcda25b69e55447e686ab
Markdown4d50687bfe74d984aac7e92327e136b386e483ee9b1e9b4da47f3e160d9a8fce
PDF
Publication page9d11d94ae77fb76e8c34ee0596ecdcb1eb26a0ee19626f7301fba99efc137998
Manifesta8320430d635f27eea838825b89db0bc858b2e6b3f28e492de35b9e42a791967

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
Signatureicw4medtHXtJ8lvn0d4h+DghDfEtV4rtYu1nZar3yNsWM3rfz9hY8//hO7qHCIyx/ePxUcIXtcrOsef2WoWTDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:19.775835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060686
observed 9d11d94ae77fb76e8c34ee0596ecdcb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:19.757398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060686/manifest.json
observed a8320430d635f27eea838825b89db0bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:19.740227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060686/publication.md
observed 4d50687bfe74d984aac7e92327e136b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:19.723084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060686/publication.txt
observed c373fdc942f05c97b81003c1fcd4d8ab...
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.