OpenTechnical

OT-2026-000029270

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000029270) never changes.

Identity and time

Publication numberOT-2026-000029270 · never reused
Internal UUID01a0ae73-2aa1-7483-b66c-c63e86dd4627 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029270
StatusPUBLIC

Content hashes

Canonical texta3c17efe0a966c6e435ee91890f394c1c71ae140a026e07ae37b7ba2ce548e35
Markdown63ef96042fa1665f487f5f5a71c726ba0cb372fd92fa5b7d540eb212b30f35d9
PDF
Publication page06f83873a5aee66369665e5356b099c9004f7f2777acf757d147b45e1e8aaa8f
Manifest15b8d499df1a70e6f08c7fc72d1c35dd8e425e73b4f3ef1f70d75bcd4eb0cd9f

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
SignatureiY9bC/FU3oWmBcldCuBhg2o+H0C973nYgekFvMa1p8uDBphNeFaoHxUJeYsTmhiZ1Gkbb0Z6Pnoh2cW/HtPDBQ==
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

2026-09-17T11:39:54.207348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029270
observed 06f83873a5aee66369665e5356b099c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:54.183845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029270/manifest.json
observed 15b8d499df1a70e6f08c7fc72d1c35dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:54.163469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029270/publication.md
observed 63ef96042fa1665f487f5f5a71c726ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:54.147384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029270/publication.txt
observed a3c17efe0a966c6e435ee91890f394c1...
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.