OpenTechnical

OT-2026-000092180

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000092180) never changes.

Identity and time

Publication numberOT-2026-000092180 · never reused
Internal UUID01a0ae9d-875a-7f56-a215-819a8efbb234 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092180
StatusPUBLIC

Content hashes

Canonical textf51e3e74158d9f1bedbd5e1f45808fbec5f53af56e2c38e41c1f681cf1d98794
Markdown06afedb5a84e2b7d2d7b7b772f11a66a435a2537ff8a4724bb1f9bf02f9476fd
PDF
Publication page2f3cddea0baefee76aa38fc072561bc72c7ff1d4c80225a46858e6826c663606
Manifest29686aee95ad86212637407c245c9fcb504d6d754d9eab612dd546b7a5e563f9

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
Signature0H3GIOJTycIBnh1/oG60qW8YK+OiV9cf5YeYYodV34Aq+mWDVTXgttmYVL5QpTSMfFl+pk0UQND5SQp3WpzdAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:39.627618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092180
observed 2f3cddea0baefee76aa38fc072561bc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:39.610521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092180/manifest.json
observed 29686aee95ad86212637407c245c9fcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:39.591343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092180/publication.md
observed 06afedb5a84e2b7d2d7b7b772f11a66a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:39.570005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092180/publication.txt
observed f51e3e74158d9f1bedbd5e1f45808fbe...
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.