OpenTechnical

OT-2026-000024251

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000024251) never changes.

Identity and time

Publication numberOT-2026-000024251 · never reused
Internal UUID01a0ae70-e8c8-72c7-bcf6-b325174e875b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:10.360874Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024251
StatusPUBLIC

Content hashes

Canonical textcdfdf5596fc0ce337df942d57f68fc7d835522e392d689a97525ee262b806a6f
Markdown742fb132accdefcba69abe09719dbcb5b1cf4fc2f060c656162d4d03bfdc8971
PDF
Publication pagee8d78425256473278f7c7de2eefe0b9c646f9db6e7e0ec83d2cac0f00a9d9115
Manifest86441d1b0e7bc6528ccda94278eb910f508f0b1214aaf23ccfc148c1387712a9

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
SignatureD0aGkaZpMn93MSeyU6ROAiRKJLB2vKzO1f8Vv6yMGquHOJuMJXdOdzPJltclW8rWQyOE1tYyroNEqfzK9r37Bg==
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

2026-09-17T11:48:43.705281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024251
observed e8d78425256473278f7c7de2eefe0b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:43.685120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024251/manifest.json
observed 86441d1b0e7bc6528ccda94278eb910f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:43.664515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024251/publication.md
observed 742fb132accdefcba69abe09719dbcb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:43.647941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024251/publication.txt
observed cdfdf5596fc0ce337df942d57f68fc7d...
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.