OpenTechnical

OT-2026-000057302

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000057302) never changes.

Identity and time

Publication numberOT-2026-000057302 · never reused
Internal UUID01a0ae87-d5bc-7bb3-bc2c-86266d4e6648 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057302
StatusPUBLIC

Content hashes

Canonical texta860641dcdf2ca8be8eb8bf1170b5df1b8e1105a3e97b67e7efcaca27f5a5b3e
Markdown2d95052956ebf9474178a191423d1bcaf262deb6a6166cad082ca06b6ec8eb05
PDF
Publication pagea01d8e4db2ded58f44766a9b694c63eb3dea72a153af58909293596962cc57b6
Manifest519a495877b45213035009c751392061290f5ca7fcddeaa034c436c8ce00744b

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
Signature8MzPEMKUuch2muf0uTYoUXGTe7iqLXzFaLkiEH8LDUmyTD0kDBkxsMCyD9UzW4FEHOK9vxYy5rOih0Kx67MWBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:24.485680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057302
observed a01d8e4db2ded58f44766a9b694c63eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.467711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057302/manifest.json
observed 519a495877b45213035009c751392061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.448862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057302/publication.md
observed 2d95052956ebf9474178a191423d1bca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:24.431601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057302/publication.txt
observed a860641dcdf2ca8be8eb8bf1170b5df1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:33.735348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057302
observed a01d8e4db2ded58f44766a9b694c63eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:33.716997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057302/manifest.json
observed 519a495877b45213035009c751392061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:33.698050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057302/publication.md
observed 2d95052956ebf9474178a191423d1bca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:33.679557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057302/publication.txt
observed a860641dcdf2ca8be8eb8bf1170b5df1...
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.