OpenTechnical

OT-2026-000017798

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three 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-2026-000017798) never changes.

Identity and time

Publication numberOT-2026-000017798 · never reused
Internal UUID01a0ae6e-96fb-7181-a968-0448fd7f41d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017798
StatusPUBLIC

Content hashes

Canonical text7c7c930c5c8551bf753e7a3f24d16e0d836de32286f5ff84c01e4f5622c3ba30
Markdown489962caab38217655a1e6201be04d746645d8dea4e7f0055a4661707f95e3f5
PDF
Publication pageb889a6956c2aec7a29d39a3e59ed99059842b4f472d84990ce0a3d8a0c56c934
Manifesta8d4770451443cc8aa4006b0a03f5a53fb5896fde9b0dff7b08ce0c64cd3914b

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
SignatureVWzYozPm+RHGH8sjde6QA2NawcMJuv/cGcWmqMLd+vyUVnOIVJdwmbVHiwqrqgGzj8qMyLz1Y8bBwdVf9LpJCA==
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

2026-09-17T12:01:45.911856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017798
observed b889a6956c2aec7a29d39a3e59ed9905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:45.894902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017798/manifest.json
observed a8d4770451443cc8aa4006b0a03f5a53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:45.879014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017798/publication.md
observed 489962caab38217655a1e6201be04d74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:45.862303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017798/publication.txt
observed 7c7c930c5c8551bf753e7a3f24d16e0d...
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.