OpenTechnical

OT-2026-000054692

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000054692) never changes.

Identity and time

Publication numberOT-2026-000054692 · never reused
Internal UUID01a0ae86-1284-72f2-861f-5f98a8260d61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054692
StatusPUBLIC

Content hashes

Canonical textcf09852bb3e84b070e4d2e4f89be673b8ff4a9f07a01c00758c17534b27cd46f
Markdownc6cfa91b407c8634a024fcde55f9c89eafedbb84cd24cb9f69839cda477772ee
PDF
Publication page2023dbfbe2d120b696d3e01ce4c5658686aba7a59013d5513f3fbe68eef8ebbe
Manifest0a90b3a656ce1c12190223c2a2b610d555880f7fa9082e8a7b64d7d7edfa43d2

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
SignatureBjHfbv/1iAfAS1fWz4htrRIw1aDKJcAtq13x0ur1aZrrh9V6WPrq6g/llTCUdn+WVat5DqWF1A1VJgU+gHmTAg==
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

2026-09-17T10:53:46.842666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054692
observed 2023dbfbe2d120b696d3e01ce4c56586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:46.819847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054692/manifest.json
observed 0a90b3a656ce1c12190223c2a2b610d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:46.798069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054692/publication.md
observed c6cfa91b407c8634a024fcde55f9c89e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:46.776605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054692/publication.txt
observed cf09852bb3e84b070e4d2e4f89be673b...
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.