OpenTechnical

OT-2026-000041951

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000041951) never changes.

Identity and time

Publication numberOT-2026-000041951 · never reused
Internal UUID01a0ae79-e8a7-76bc-8a23-c9fab2478515 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041951
StatusPUBLIC

Content hashes

Canonical texte7f42f4e4c1f9f44bfca44ed25b4582de3552d7d386b025cacc375459090967e
Markdown5c7422deb4209345f37b0214c70d8a98acda2530ae40ba6616209a470b0fcdb7
PDF
Publication pagec3e9542500110b74da9022ee26fe25ee1f3c2070595d549d87f206ce947d6e7d
Manifest978e3b7637b53ae755fa97c5eaf5beb7735b4364a09cf03eebf458ec7ede2bc8

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
SignatureWQnmX80RHLG1pBKs0Fm9rBRD9N64mg/aOiA0Cowd2yYbF0KbbigHma5iqCxBOQScf2xkXnsMKoupCM0DaK85DQ==
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

2026-09-17T11:16:50.491973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041951
observed c3e9542500110b74da9022ee26fe25ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.475288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041951/manifest.json
observed 978e3b7637b53ae755fa97c5eaf5beb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.458658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041951/publication.md
observed 5c7422deb4209345f37b0214c70d8a98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:50.439874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041951/publication.txt
observed e7f42f4e4c1f9f44bfca44ed25b4582d...
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.