OpenTechnical

OT-2026-000068411

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000068411) never changes.

Identity and time

Publication numberOT-2026-000068411 · never reused
Internal UUID01a0ae90-2481-7975-a0ba-c0649b823b0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068411
StatusPUBLIC

Content hashes

Canonical text7e63f5212b9616c5e90285b7bc088848b7ddfa4e9f186f7653c8ea4a28092963
Markdowna2bf428c9ee87119d07a6aeafe7f8e482f368a23b6a8c348a276110d781d8813
PDF
Publication paged64de006d6ddb5f6b15158c13bb9d8e714ffcf12b981eae95e3e96684824440e
Manifest576922d4c8d1592f01208db6e6c2bd42935c613106fb391e62a83c1ca4e2198e

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
SignatureC5FRBLA7imbstrWvna+0mb4++65U6DulJB8s0U4Wc2+xlW7VgrkKbmeI2x50KbIKHutmnEW8OP9nrqQMYlrwAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:32.690916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068411
observed d64de006d6ddb5f6b15158c13bb9d8e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:32.673151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068411/manifest.json
observed 576922d4c8d1592f01208db6e6c2bd42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:32.655546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068411/publication.md
observed a2bf428c9ee87119d07a6aeafe7f8e48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:32.636267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068411/publication.txt
observed 7e63f5212b9616c5e90285b7bc088848...
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.