OpenTechnical

OT-2026-000036120

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000036120) never changes.

Identity and time

Publication numberOT-2026-000036120 · never reused
Internal UUID01a0ae77-01ce-7d46-8afc-a542056db419 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036120
StatusPUBLIC

Content hashes

Canonical text0aa3465c2cd58d5e63954de8424291b6c6863a51e921b2371b81ab53b7b6e67f
Markdown5bb28cc91a59f848c2e0d2ff8d6a8f1701a7b019d97d19dbed5b6bb5be7e5700
PDF
Publication page38fbd47e0fd590a0880ee068f58e3780fbd041dbb08d4416afb5ae65bfda5a5a
Manifestcf1c171ca491e2991b8f9551459de304825af6da11efba9608d9924660ba77dd

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
SignatureZ2P7b2KixE9TWRNE8HVLw/yB/YdaPVOk6hDVv9oTnl0nHfjX3i98SCslVIU7OHfL+hMBt1zR3Tzhf6UlyqmmBA==
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

2026-09-17T11:26:18.937594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036120
observed 38fbd47e0fd590a0880ee068f58e3780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:18.920499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036120/manifest.json
observed cf1c171ca491e2991b8f9551459de304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:18.904651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036120/publication.md
observed 5bb28cc91a59f848c2e0d2ff8d6a8f17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:18.888922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036120/publication.txt
observed 0aa3465c2cd58d5e63954de8424291b6...
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.