OpenTechnical

OT-2026-000057951

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000057951) never changes.

Identity and time

Publication numberOT-2026-000057951 · never reused
Internal UUID01a0ae88-6ed9-79b2-85b5-0ea9bdbb0332 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057951
StatusPUBLIC

Content hashes

Canonical text77b14a2a7b84ab0560f963e75e4e6845b1843e2087cf35797c0e6c853b05103e
Markdown3416ff9e1efd0907000eead3036041ddebc3ce6de33bfe827c46c753a3a599cf
PDF
Publication page94ce9a5f40a6b5ff0e4aba4619297e02901c60d8db78913523299bd8aa0ec627
Manifestbe1f20a0db4a03dc8413b7d91aab552f0f9d22f1ff4a5e9ed4cfcd1d67303aff

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
SignaturePVXgSpFt3w0gvTMVp0wJUvKgyk9VV8LJGmBdzpUE5Ygv32QDoZQWbC7EVCrrLpsEhq10QH6nxjWSVcTGDrhCCA==
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

2026-09-17T10:47:34.077016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057951
observed 94ce9a5f40a6b5ff0e4aba4619297e02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:34.058655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057951/manifest.json
observed be1f20a0db4a03dc8413b7d91aab552f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:34.039151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057951/publication.md
observed 3416ff9e1efd0907000eead3036041dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:34.020497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057951/publication.txt
observed 77b14a2a7b84ab0560f963e75e4e6845...
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.