OpenTechnical

OT-2026-000019990

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000019990) never changes.

Identity and time

Publication numberOT-2026-000019990 · never reused
Internal UUID01a0ae6f-1fb7-74f6-8afc-a8a5dc5a1006 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019990
StatusPUBLIC

Content hashes

Canonical textabdefe0257192312f1fc292dfb56b27212e5585fc69f8180b721172d8810b5ba
Markdown6d172fb3de307a37cc16c94f69597e50e333c391fa64cc66efedfa6c6a5d4175
PDF
Publication page3b6de56e048e4389f87180dd48454a865ee879ed7902311104962ab486a877f6
Manifeste4c3e5a2d1f7eb90d66bb811eb0982b7248050579b3a7b2653b7f54fab2adf6d

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
Signaturea0FTa8+yDO2x9VFh3O2RqllEhZzpkC9BVEyDbgEoSvjf9IjywCeS5u16dWKRhL0RfwuYMKCBpEsvF2XPJt6yAQ==
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

2026-09-17T11:58:13.962712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019990
observed 3b6de56e048e4389f87180dd48454a86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:13.944182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019990/manifest.json
observed e4c3e5a2d1f7eb90d66bb811eb0982b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:13.924966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019990/publication.md
observed 6d172fb3de307a37cc16c94f69597e50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:13.906766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019990/publication.txt
observed abdefe0257192312f1fc292dfb56b272...
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.