OpenTechnical

OT-2026-000054746

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000054746) never changes.

Identity and time

Publication numberOT-2026-000054746 · never reused
Internal UUID01a0ae86-1284-76d7-9da7-3fa978fbc279 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054746
StatusPUBLIC

Content hashes

Canonical textd4b8b73158024ba99a85f0c98fe31a36080f50cde0d222bf8e38dfd07bd51edd
Markdown01a04db2a8b1b6e6370a701f014b326aa0432eaae37ae4118f835c733d8640fd
PDF
Publication pageacf2436358167bccbffcbd15d12c4ad9b13c7c23ca21050d15f0853a26f828bd
Manifest9ddb4d7a73ac1f59aaca750c8e075198f67b05793092ef0ed1e30cae81a60759

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
SignatureJLiIq4PJfvbglH1sikyIdrt6r3QMKzBW/L89uvpfE30eBUBp9S0q2w0/hn28qj6jOV8iAXGI70dpvZ06ZpK1CA==
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

2026-09-17T10:53:55.978631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054746
observed acf2436358167bccbffcbd15d12c4ad9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:55.959886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054746/manifest.json
observed 9ddb4d7a73ac1f59aaca750c8e075198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:55.941530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054746/publication.md
observed 01a04db2a8b1b6e6370a701f014b326a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:55.923032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054746/publication.txt
observed d4b8b73158024ba99a85f0c98fe31a36...
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.