OpenTechnical

OT-2026-000050458

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after set-down

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-2026-000050458) never changes.

Identity and time

Publication numberOT-2026-000050458 · never reused
Internal UUID01a0ae82-5c48-714c-bde3-2e65b39a9282 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050458
StatusPUBLIC

Content hashes

Canonical textccb44856550af1efccb496880173d4f1d87ec1c8a4f5f6f22241a7e63db0e4e1
Markdownc7c43d76cd8fc3a6d2328fb9f8d60fdce459bd5aa178e61ff3dcca8e4bfe0c5e
PDF
Publication pageb78c3be7b299c3a36db328cef88ff9456b308320d40f6ee0a0c59c87452a3670
Manifesteb119b4357c9ab15dae60cb42ee13fb486fb7d263ee864ad354b07876c8c2745

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
Signature9MEkb1lG4BFDeB5KgCAmncYjksgTNPxHlgjzZs7OcqK7xfW8R9bGvi4HFEFKATP+FIvZTvHMNH8UITBpdl/9AQ==
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

2026-09-17T11:01:30.528447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050458
observed b78c3be7b299c3a36db328cef88ff945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:30.511281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050458/manifest.json
observed eb119b4357c9ab15dae60cb42ee13fb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:30.493702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050458/publication.md
observed c7c43d76cd8fc3a6d2328fb9f8d60fdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:30.476605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050458/publication.txt
observed ccb44856550af1efccb496880173d4f1...
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.