OpenTechnical

OT-2026-000043320

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000043320) never changes.

Identity and time

Publication numberOT-2026-000043320 · never reused
Internal UUID01a0ae7b-327d-70af-b284-e93252446f45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043320
StatusPUBLIC

Content hashes

Canonical textc291fae96f5e0ab4b57eb0a822ee4c8aeecb7cc642c64919738ea58036b1ea37
Markdownfe379ff6eaad4740ecb4f84f19d9e65250bee68bd74f85c4d48d9a43f7195947
PDF
Publication page3e9ccb12c24987267ec2553311e5b988830d55e8cf5164f9ac314c6809858f3e
Manifest9c95fc10b5c8a4ac1da45ed348482fd7f317bda49679980ac9803e576e5cb0ef

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
SignatureU1ojXF4Kvp90QE8P1JMWd6uPW8njwYTtPhw+Mq4crF/xfxE6/uTgu8Q5YgtvBxf86ZBX5w3gjJgDnlXy/alGBQ==
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

2026-09-17T11:13:49.496326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043320
observed 3e9ccb12c24987267ec2553311e5b988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:49.476435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043320/manifest.json
observed 9c95fc10b5c8a4ac1da45ed348482fd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:49.458330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043320/publication.md
observed fe379ff6eaad4740ecb4f84f19d9e652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:49.438441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043320/publication.txt
observed c291fae96f5e0ab4b57eb0a822ee4c8a...
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.