OpenTechnical

OT-2026-000035988

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000035988) never changes.

Identity and time

Publication numberOT-2026-000035988 · never reused
Internal UUID01a0ae77-01cd-77b9-84df-3cdd6c150d1e · 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-2026-000035988
StatusPUBLIC

Content hashes

Canonical textc746c9029e09183f46e02817c10ca84781b18ca783bd298b77a640c7d29e00d4
Markdowneed1d907b5b8298331c73cd0430c3afe367464f4027a69e3f7219c26aec36649
PDF
Publication page7aaab72f022cd51aab6fa5ec5bcbbd4a57ea0012243e409d29227662a0b15622
Manifest0c7696aeff1971fe82e129468db724bc8bbef23458b820d313647ec741b51db3

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
SignatureE76zhWgrmlFLZ7sok4gtFrBpzAZHIT019js/OaVoN/CIwRoG41Q0BzgR3xO8+3DI7+jF9L3M2PaCq8zh6R5FDw==
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

2026-09-17T11:26:08.747272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035988
observed 7aaab72f022cd51aab6fa5ec5bcbbd4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.730802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035988/manifest.json
observed 0c7696aeff1971fe82e129468db724bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.714529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035988/publication.md
observed eed1d907b5b8298331c73cd0430c3afe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:08.697452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035988/publication.txt
observed c746c9029e09183f46e02817c10ca847...
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.