OpenTechnical

OT-2026-000052712

Publication integrity record

Single bellows cup vacuum gripper, two 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-2026-000052712) never changes.

Identity and time

Publication numberOT-2026-000052712 · never reused
Internal UUID01a0ae84-a42d-7abc-827f-ca4447d5f9cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052712
StatusPUBLIC

Content hashes

Canonical text386b8160ce362a10f4bdcf2d9fd4cd50c5ae15bf5aa241ca49a754c025a88a60
Markdown829d89194adec2740a6d74c0067cde2c429d57a1edfca73596c9f62d090f3fcf
PDF
Publication page1e5cc1a6f609fb147c79e2edbef6377baa05266dd653d4db6e59ea8dad412488
Manifest1fb50351ea5e948e1c0d99a74edf0b398bb5188279b85e7a83ea815b9309db2e

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
SignatureZTXRZNMS88UtGLAwk6ZFenD51riV3mJq6OoV9CiqpBFprOj+Gne2eE6Ub83lE3cMJZ4cL+HQW2s3gjRZ5avSDA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:42.059191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052712
observed 1e5cc1a6f609fb147c79e2edbef6377b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.041764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052712/manifest.json
observed 1fb50351ea5e948e1c0d99a74edf0b39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.023417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052712/publication.md
observed 829d89194adec2740a6d74c0067cde2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:42.004615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052712/publication.txt
observed 386b8160ce362a10f4bdcf2d9fd4cd50...
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.