OpenTechnical

OT-2026-000058781

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000058781) never changes.

Identity and time

Publication numberOT-2026-000058781 · never reused
Internal UUID01a0ae89-479c-7b70-b69c-e93f19c29801 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058781
StatusPUBLIC

Content hashes

Canonical text7fd74795d1a3e89179949d02b8930aa8497e53f37eac15752cebe096a12bcf01
Markdownd3bb5e00d804aba0959bdf1c70a592f570c0db8300a8109cce02afcfb6b6adb1
PDF
Publication pagee4a7120c3583de03153ee039815861f441c44504b250d6f4c023dd9a5295cbca
Manifeste85994c76d05c64d14d993f6438834b45b6878ec5fe7fae1c6509ab58a92b65d

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
SignatureSnou0Zwn7yyhSPl4rD+JN8/lZzukWp1MOrm5QyRL3VWuJYeAEd8G2NxUAwB2uQ9EZK0YUjgCrjLOH+Avp+PDBA==
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

2026-09-17T10:46:17.883668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058781
observed e4a7120c3583de03153ee039815861f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:17.863817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058781/manifest.json
observed e85994c76d05c64d14d993f6438834b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:17.841323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058781/publication.md
observed d3bb5e00d804aba0959bdf1c70a592f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:17.823403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058781/publication.txt
observed 7fd74795d1a3e89179949d02b8930aa8...
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.