OpenTechnical

OT-2026-000023087

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000023087) never changes.

Identity and time

Publication numberOT-2026-000023087 · never reused
Internal UUID01a0ae70-46ed-7888-9448-f2a102c20260 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023087
StatusPUBLIC

Content hashes

Canonical text47e50dd8ccc05c470d56379cb55612d574f68ae17c72e311177301ed95fcf6cb
Markdown196fb661de554923d5bb4b5268faa8457a8c968c50b37dc1aa217a5f8ae0785b
PDF
Publication page957a6eaf89d65609e914de496d1ee082179cb70c3563b644afdfa2d9bc70c8ba
Manifest42beb576b84b76de6051c78c8e3127dc310907d6a156cb273fd14f1070a549f1

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
Signaturef7u6wkvL9y4KgFPZuRl8dSNiG/DnWAkF501wJ9xmV/x09s7IEDRiyCo03AjV7HMZgKPXR39K5vopFJyf/Eu3BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:43.112159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023087
observed 957a6eaf89d65609e914de496d1ee082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:43.096746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023087/manifest.json
observed 42beb576b84b76de6051c78c8e3127dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:43.079633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023087/publication.md
observed 196fb661de554923d5bb4b5268faa845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:43.061690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023087/publication.txt
observed 47e50dd8ccc05c470d56379cb55612d5...
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.