OpenTechnical

OT-2026-000025355

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single 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-2026-000025355) never changes.

Identity and time

Publication numberOT-2026-000025355 · never reused
Internal UUID01a0ae71-5fa7-70a8-9deb-9ddccaf27ec2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025355
StatusPUBLIC

Content hashes

Canonical text20e71b087fb1a7cc545809c23f729e638ad2a92314de5ea921df6a06ba5b433a
Markdown6e5522d7ca7212c68ace64819ddd28d74628d2f6089a6723de355c25594e3084
PDF
Publication pagecd09e4b0440b4b38b69852c57d555b1e808efbea6f7e96e55e342a8e24580046
Manifest0b677a9d52956e9e2b3622f8cdcb0b64507e710f3f2fbba8516b5035778818f8

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
SignatureLt5i3k+rk1oefp4axLFbWQ7JDhOdgaMXosGanXaTtCHpE9eWjZUZKGJPjjPErFpFhhREH8tBt1bK1CVsjJ92CQ==
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

2026-09-17T11:47:24.616267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025355
observed cd09e4b0440b4b38b69852c57d555b1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:24.595556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025355/manifest.json
observed 0b677a9d52956e9e2b3622f8cdcb0b64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:24.576484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025355/publication.md
observed 6e5522d7ca7212c68ace64819ddd28d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:24.551761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025355/publication.txt
observed 20e71b087fb1a7cc545809c23f729e63...
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.