OpenTechnical

OT-2026-000099507

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000099507) never changes.

Identity and time

Publication numberOT-2026-000099507 · never reused
Internal UUID01a0aea2-c974-7620-afcb-c547ab62ab1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099507
StatusPUBLIC

Content hashes

Canonical textf5a649cd79068e024f5fdd8d8dc0c32068edff714da6a2164882e08efeb5bd69
Markdowne153ce982f29b865b591708526ecccefe2e8631d629d0245d09c71c21e24074e
PDF
Publication page989721a153ad85b6cb0eafdd9865895aec31f94c7e0d481aedfd55c47ec7a35b
Manifest1d853a8d4138dcc2f349eb85c64ed58facd5d892a8ec0a04b1a50b69b36b5ea6

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
SignatureQ7RGR/yhwjpaSXj+J5S3ZeNTbGYKWntJ7IYc4Bkgu1i33g2vqKTOfbYrq2UK4fK+HebvPLJer8ZxvmvZvVu0AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:15.874748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099507
observed 989721a153ad85b6cb0eafdd9865895a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:15.854512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099507/manifest.json
observed 1d853a8d4138dcc2f349eb85c64ed58f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:15.835621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099507/publication.md
observed e153ce982f29b865b591708526ecccef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:15.782052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099507/publication.txt
observed f5a649cd79068e024f5fdd8d8dc0c320...
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.