OpenTechnical

OT-2026-000068235

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000068235) never changes.

Identity and time

Publication numberOT-2026-000068235 · never reused
Internal UUID01a0ae90-247f-7972-aaeb-6f5f4b0a9696 · 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-2026-000068235
StatusPUBLIC

Content hashes

Canonical textb99076e10c3cbcf280ba46f1f2f1876148d75fbda5f12825194c3e81db823e5e
Markdowne12b90fcaf295c8167bf9a2bf3d8ecb96db7b5fdf130cf409f129fbcc150d95a
PDF
Publication pagec547017a141f60b109f4248c8e90c2e475a93f553d860176522beb645f9f85b9
Manifest8ccd83573456341517aba51c1dadc9e6e124e5f06db766dd1ce9044136448f88

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
Signaturexn8E/FVQV6SFbouPpG0/DmZ1a9dw6RqIXi/d7sEM5hugM6PxhREnXlFpM+stGAKj4vn2ybPZ8lQ0l7K0ybE7AA==
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

2026-09-17T10:29:15.146665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068235
observed c547017a141f60b109f4248c8e90c2e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:15.129774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068235/manifest.json
observed 8ccd83573456341517aba51c1dadc9e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:15.112858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068235/publication.md
observed e12b90fcaf295c8167bf9a2bf3d8ecb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:15.094842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068235/publication.txt
observed b99076e10c3cbcf280ba46f1f2f18761...
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.