OpenTechnical

OT-2026-000032687

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, 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-2026-000032687) never changes.

Identity and time

Publication numberOT-2026-000032687 · never reused
Internal UUID01a0ae75-1070-7b21-9351-c25bc56d961b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032687
StatusPUBLIC

Content hashes

Canonical textad0b7557903df5a7afd5f7695f8be26869d5e4ed3dd8bb6fb7755e18f192a5fa
Markdown46392d639f863fe96326bf7affebe952c7b15263f6ac7c2e35001898e02bd2ae
PDF
Publication page543ad9634662de72bfde0744a4cec158f007eb63c557b9ccf0b6d26413685413
Manifest57dffc8071ef8c148c14448156906198f972e0bddf13c17a9eef396233113446

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
SignatureCter02xA9bu59jR3wt7uAi5FYPq3TaJj9mec4vTSSwIccR/1UT6fDFssSh9VZu9hyQv/lM2puI+6k5pb6VI8CA==
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

2026-09-17T11:34:17.708062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032687
observed 543ad9634662de72bfde0744a4cec158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:17.688003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032687/manifest.json
observed 57dffc8071ef8c148c14448156906198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:17.669708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032687/publication.md
observed 46392d639f863fe96326bf7affebe952...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:17.652010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032687/publication.txt
observed ad0b7557903df5a7afd5f7695f8be268...
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.