OpenTechnical

OT-2026-000034490

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, pulsed 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-2026-000034490) never changes.

Identity and time

Publication numberOT-2026-000034490 · never reused
Internal UUID01a0ae76-1ed0-7cbc-997e-3dc29a7cb9f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034490
StatusPUBLIC

Content hashes

Canonical textae1a267a46000f2d2b34bf9fd43d7dc9c86122778eea70cbc7ca4759658826f0
Markdowne122c0309191c163f2e2fbf7691445d93cefb4fb68401f980e62a5b68002da36
PDF
Publication pagec7ec19b373d89834acee007d81840be5bdb698585238f07054d5430e9da174a2
Manifest7c4da50381eca15061115da20871a1e427b2ece7371117c9f6b230ed31e81316

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
SignatureGPQXOeABzoyXl0e4E18Ne1pB2cL3L0rbCm7kBnLiYHaNFI67l5baThBk/SJqZc1dPM6l1Pp5IUv39LK5GjqNAg==
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

2026-09-17T11:28:49.371219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034490
observed c7ec19b373d89834acee007d81840be5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:49.353275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034490/manifest.json
observed 7c4da50381eca15061115da20871a1e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:49.336595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034490/publication.md
observed e122c0309191c163f2e2fbf7691445d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:49.319077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034490/publication.txt
observed ae1a267a46000f2d2b34bf9fd43d7dc9...
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.