OpenTechnical

OT-2026-000034238

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000034238) never changes.

Identity and time

Publication numberOT-2026-000034238 · never reused
Internal UUID01a0ae75-df0d-799d-96d1-2b5dab2b8688 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034238
StatusPUBLIC

Content hashes

Canonical text035ee4deb11992cf50a02783fdbefb7e947959885ecebaf2a0a93b0cee065309
Markdown599d6acb1b6cb754cc784e72f2d6ddf6cc84b5dcf340580d067f61bc80a8e2d1
PDF
Publication page0de4bbafb0e4e0cde07a43c2a21eb8b7ebd2512d9cc64660104506f206d31a1e
Manifest372a1c509288529fbab477d1636268deee86fb3f4df8fe92680d6fb02dd84921

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
Signaturev0DZJi55bWjpk27tiljFiGKvzljdDb5z8VskgwFvi4cwN/mW/eiFBxDshU6pGQjY/cwJQZpNtw7sr5l/4ayaDA==
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

2026-09-17T11:30:47.513941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034238
observed 0de4bbafb0e4e0cde07a43c2a21eb8b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.498487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034238/manifest.json
observed 372a1c509288529fbab477d1636268de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.482525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034238/publication.md
observed 599d6acb1b6cb754cc784e72f2d6ddf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.465720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034238/publication.txt
observed 035ee4deb11992cf50a02783fdbefb7e...
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.