OpenTechnical

OT-2026-000041162

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000041162) never changes.

Identity and time

Publication numberOT-2026-000041162 · never reused
Internal UUID01a0ae79-b142-70c4-ae6f-26afa8be823a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041162
StatusPUBLIC

Content hashes

Canonical text06c90c89e5fc05c682558361fe8af1846e8a77157cf77cd9abdad1e74e4c0b76
Markdown2a01f82f7c9a6ee4bd6f18ab02ff478d655b0b0dacdd014a64a0d42d229fa2f6
PDF
Publication page9e77e6821c3b707dbaacc322db26fef36f2f42131321b068329a7ea413b952c0
Manifest29cf7c83755987930575e2d9f68e81b9a14b1bb10f7e312b85dd890b4d5bd720

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
SignaturerFASmS4h7ffyqRbFUCcg/dbFW7DVU2C/rmef4b4Msyro9lEBwvsQK5BjEAhiE54Fl+fRmxhZLecMeweZtwe9Aw==
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

2026-09-17T11:17:06.382797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041162
observed 9e77e6821c3b707dbaacc322db26fef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:06.365102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041162/manifest.json
observed 29cf7c83755987930575e2d9f68e81b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:06.348308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041162/publication.md
observed 2a01f82f7c9a6ee4bd6f18ab02ff478d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:06.331827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041162/publication.txt
observed 06c90c89e5fc05c682558361fe8af184...
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.