OpenTechnical

OT-2026-000059564

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, sustained blow-off 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-2026-000059564) never changes.

Identity and time

Publication numberOT-2026-000059564 · never reused
Internal UUID01a0ae89-ec23-78b3-a50a-5693a942fd07 · 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-2026-000059564
StatusPUBLIC

Content hashes

Canonical textc976a2dd4ebecf130280e32ab17717e2c1e8d08c985b1b6ba66635d7a2e0578e
Markdown4b604a118c7366ff3eb300a2251d82d2b09386a9eb57ba8bc9f9c52b9ba9b507
PDF
Publication page96cfd2f9dfec2f0e62f637d3f662f20695d2ca3c80698e66c2406ed1cc699604
Manifest4e2b03bd4ca21eaceae9f70430580897a364fe366842969ceda2f9f62fe308df

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
Signatureky1pDRU5qXaOX2QF1nSD2Z+SSUSiOeL3VPGI9J+vYtrDzqpGgHwZGxDcIiO/mQLrzei/ZYMINToMa3LRGEu5BQ==
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

2026-09-17T10:44:12.599105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059564
observed 96cfd2f9dfec2f0e62f637d3f662f206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:12.582020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059564/manifest.json
observed 4e2b03bd4ca21eaceae9f70430580897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:12.564817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059564/publication.md
observed 4b604a118c7366ff3eb300a2251d82d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:12.547341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059564/publication.txt
observed c976a2dd4ebecf130280e32ab17717e2...
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.