OpenTechnical

OT-2026-000029684

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000029684) never changes.

Identity and time

Publication numberOT-2026-000029684 · never reused
Internal UUID01a0ae73-5e23-7930-926d-7f5a44812ed4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029684
StatusPUBLIC

Content hashes

Canonical text4881df6b2fb198bbff344b074c70e99173606464a288e5e0dc7f05ef78e6cf17
Markdown5499596fb02a4a1ee9e4e6b17ed4be7187d2c288510eec29f3eace7afd0c599e
PDF
Publication page2b6bcb1bfd81e24ae09f25e7509b068997de8908e50611ef1a3e7ca414d14fec
Manifest86dc013bf4d3c34142bf77036d10814f7c65c5f7c958ccbb762dd7cd9fba56ab

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
SignatureegVraNeSEh50cP7kGXl7CH5o7W10auKMGXTyGXCo5uF1SSbWQ71Oij91nb8QmZ+xHZgE7NWIlWna7vtZOmSZAQ==
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

2026-09-17T11:39:24.474514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029684
observed 2b6bcb1bfd81e24ae09f25e7509b0689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:24.456621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029684/manifest.json
observed 86dc013bf4d3c34142bf77036d10814f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:24.439684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029684/publication.md
observed 5499596fb02a4a1ee9e4e6b17ed4be71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:24.421283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029684/publication.txt
observed 4881df6b2fb198bbff344b074c70e991...
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.