OpenTechnical

OT-2026-000052932

Publication integrity record

Single bellows cup 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-2026-000052932) never changes.

Identity and time

Publication numberOT-2026-000052932 · never reused
Internal UUID01a0ae84-a42f-7d69-ad89-9a2a284f4706 · 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-2026-000052932
StatusPUBLIC

Content hashes

Canonical text654e1e538178e64f3aceedf5cfa8881dc7ea34fa97572504896027830cc8c8f2
Markdown4830ac4098a93fa26cf3a37b7609f67d2ca8476dc319cd1be75bf5ea10e927ab
PDF
Publication pageba2fe003869148d09e6742f1ad82ef43852eeba56547e57f34ea569213f88fd6
Manifest6a9028cbe6e179574ba07c4a41b0ccb02d20b9683dab80ddc2f32d8277750034

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
SignatureWE9J19jAkeXqs/4SQd59mh3QitxjJL1rg0RJhbKUbCuHRgMJnaqv7ocFynEt+hziXZTitgqlWRFfE3p+DUVQAQ==
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

2026-09-17T10:56:34.548121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052932
observed ba2fe003869148d09e6742f1ad82ef43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:34.531424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052932/manifest.json
observed 6a9028cbe6e179574ba07c4a41b0ccb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:34.514678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052932/publication.md
observed 4830ac4098a93fa26cf3a37b7609f67d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:34.496898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052932/publication.txt
observed 654e1e538178e64f3aceedf5cfa8881d...
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.