OpenTechnical

OT-2026-000040342

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold 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-2026-000040342) never changes.

Identity and time

Publication numberOT-2026-000040342 · never reused
Internal UUID01a0ae79-2700-72f9-b755-9cb5498a4631 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040342
StatusPUBLIC

Content hashes

Canonical text903465ead74ce79bfb30d4ec9c6202e8d16cd93d1948a6f6301235b3c213435b
Markdown406727895ab1a3605c7f5ab3a3d284bda60a5995158da2150af14312b7a14844
PDF
Publication page7cdaae559e3f9b27d560c4807d9267cbef30e111df7dc07b7ebb4ae80fec7ffc
Manifest04053d4d37ac04334acd41f396300022f7251a63f7faf709ec2f27db199fc8e6

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
SignaturePABAmzzE2gZ5oOrxADEEIj0+H5cjhc33+Nxn2HbdblYF6sYATeRyrB3nbVLVD5MWfgLKioB9z5BL8plmeF7pAg==
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

2026-09-17T11:19:21.041812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040342
observed 7cdaae559e3f9b27d560c4807d9267cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:21.025257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040342/manifest.json
observed 04053d4d37ac04334acd41f396300022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:21.008948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040342/publication.md
observed 406727895ab1a3605c7f5ab3a3d284bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:20.992961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040342/publication.txt
observed 903465ead74ce79bfb30d4ec9c6202e8...
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.