OpenTechnical

OT-2026-000055829

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000055829) never changes.

Identity and time

Publication numberOT-2026-000055829 · never reused
Internal UUID01a0ae87-0a49-7d33-9d3e-3a79456f0148 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055829
StatusPUBLIC

Content hashes

Canonical text2ffcba2b6c475084b1ab0714d9cbe34110920798232353c3b36ef1e6b9e2515e
Markdown0be629212cf0ea70e20f31e583c6557a52041f3d7f780ca2de87d11e4ecece0c
PDF
Publication page7e32aa7162630ff20e9b248379f8b16b1b14c6d2a1857288d119a1f83d08e450
Manifest7461307a84b6481987e750fb69737fbcda57ac5784c5480fa0250c0fc36728ce

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
SignatureUtYFhzcJDT6DmFsiMWCdQDQhxL+eE6YaG1m6UvBsD6+Ykl7RJRsxP3HpdFsYnJi+QIKRKrlkv3Rk8tjjgStCBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:12.853052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055829
observed 7e32aa7162630ff20e9b248379f8b16b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:12.835630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055829/manifest.json
observed 7461307a84b6481987e750fb69737fbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:12.817910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055829/publication.md
observed 0be629212cf0ea70e20f31e583c6557a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:12.798077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055829/publication.txt
observed 2ffcba2b6c475084b1ab0714d9cbe341...
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.