OpenTechnical

OT-2026-000010997

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, vented 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-2026-000010997) never changes.

Identity and time

Publication numberOT-2026-000010997 · never reused
Internal UUID01a0ae6c-540e-7fb1-a722-b1a2bd24d175 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010997
StatusPUBLIC

Content hashes

Canonical textbd501428b42a44312ce5fc2b2254013761883ff7c39b686d5b3fcec7db287d2e
Markdown5f4f297ce071679ff3393fed71cb03fc65d531dbf54dafb6dee6d34f32f4999c
PDF
Publication page9985d6ce99b530aa176285a98eba1d68a6abddc4795eae2372ddfd764beee19e
Manifest5ec4f1429aef929e718b02e255c4b0b95c986a4133d268c581039598fb7dad68

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
SignaturemWy4TuOybwlpifWN6cKaROEyFzWrXgKTYyZS3mR2LuR3Ibzgpxp0itm0R7tkSYdjLkHYU8xsfM+hwR77oe8+Dw==
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

2026-09-17T12:13:48.623660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010997
observed 9985d6ce99b530aa176285a98eba1d68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:48.605798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010997/manifest.json
observed 5ec4f1429aef929e718b02e255c4b0b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:48.586735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010997/publication.md
observed 5f4f297ce071679ff3393fed71cb03fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:48.568371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010997/publication.txt
observed bd501428b42a44312ce5fc2b22540137...
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.