OpenTechnical

OT-2026-000029711

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, pulsed 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-2026-000029711) never changes.

Identity and time

Publication numberOT-2026-000029711 · never reused
Internal UUID01a0ae73-5e23-73a7-a31e-9f4cbf726201 · 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-2026-000029711
StatusPUBLIC

Content hashes

Canonical text0e8af387885f30e025b38fb18cb3e42c1efe8811c3b536eb69e48d611f719707
Markdown1a08a09c26545cc850e27ccd2d204220cf27753f1ecf22f9d673a0e017611428
PDF
Publication pagef19a87c433f4660783bd4beacfe4f35d7669049ff0342cca8fa739d9b957a697
Manifeste1c2a64b52e1efb99dd90c74d995ad8cc418c60113a0504e2568dd4ad105c49f

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
SignaturecpWZ2vpGbPcaSjM6O/9EKJ6mUdMSqb9MGWs3Swxl77GmLZvv+pJZ2WIvKTpPIvB+KxM92T3bUTMsyJhDIAbIAQ==
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

2026-09-17T11:39:26.499524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029711
observed f19a87c433f4660783bd4beacfe4f35d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:26.483596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029711/manifest.json
observed e1c2a64b52e1efb99dd90c74d995ad8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:26.466281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029711/publication.md
observed 1a08a09c26545cc850e27ccd2d204220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:26.449813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029711/publication.txt
observed 0e8af387885f30e025b38fb18cb3e42c...
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.