OpenTechnical

OT-2026-000059877

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, vented after 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-2026-000059877) never changes.

Identity and time

Publication numberOT-2026-000059877 · never reused
Internal UUID01a0ae89-ec26-7fbf-8c58-9045826e8b6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059877
StatusPUBLIC

Content hashes

Canonical textaa7999573f82124da3a434f6b35770ef8f094c20c80cb926a854eacb53850866
Markdownb8d4a75a376b5813e29fc2b11eaab0e4960e7b0731e6564f16db6c18f1c50480
PDF
Publication page0d383ebc61f703adfaee0e16780a5c14396c92aa9d839b0701466a213780a593
Manifest90ca10b3bd5772a1ad686b2076e735c1487041810d61d29d6786a711760356cf

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
SignatureMD+hHQE9UebsupGwTpoeLH3nKBUyaIp/KL4B3qDs8Kevhiq5zyvoGqXGX5IlXFDH7cLWt2qCan06dF3iaJ/5Bw==
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

2026-09-17T10:44:38.011318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059877
observed 0d383ebc61f703adfaee0e16780a5c14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:37.993918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059877/manifest.json
observed 90ca10b3bd5772a1ad686b2076e735c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:37.976839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059877/publication.md
observed b8d4a75a376b5813e29fc2b11eaab0e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:37.957917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059877/publication.txt
observed aa7999573f82124da3a434f6b35770ef...
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.