OpenTechnical

OT-2026-000050998

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, vented 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-2026-000050998) never changes.

Identity and time

Publication numberOT-2026-000050998 · never reused
Internal UUID01a0ae82-c7b4-7e49-8417-fe8f9edae2d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050998
StatusPUBLIC

Content hashes

Canonical textbd87511fb750ac9ccce8967d9f7998a56fc8ae49f0614610c1f7f4e7b0b7b813
Markdown3e238599a2c7673d2d22f779ea2892dca15cbfae5ed4c1fa97633c1c09fe80d1
PDF
Publication page24b58fad6068b3ca697d676bc639f79c75335f2361f76fa79612a848cc14ac1b
Manifestdebf07c379d4fca396e33b14ea5a7c41dff0cde3920ce1e90358547551e91fd1

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
SignaturegptGgNqAoVWZGaCJteI72ZLzpauw+DmGSvoXMDlHt5yMhLwQsBU8VrgwOW8zNNVMWZD6LJh0IeCb0b6uHdf/BQ==
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

2026-09-17T11:00:53.758804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050998
observed 24b58fad6068b3ca697d676bc639f79c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.738902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050998/manifest.json
observed debf07c379d4fca396e33b14ea5a7c41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.719178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050998/publication.md
observed 3e238599a2c7673d2d22f779ea2892dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.698353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050998/publication.txt
observed bd87511fb750ac9ccce8967d9f7998a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.697229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050998
observed 24b58fad6068b3ca697d676bc639f79c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.676645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050998/manifest.json
observed debf07c379d4fca396e33b14ea5a7c41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.656333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050998/publication.md
observed 3e238599a2c7673d2d22f779ea2892dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:53.637293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050998/publication.txt
observed bd87511fb750ac9ccce8967d9f7998a5...
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.