OpenTechnical

OT-2026-000057582

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000057582) never changes.

Identity and time

Publication numberOT-2026-000057582 · never reused
Internal UUID01a0ae88-2693-7f69-90c7-398297638dd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057582
StatusPUBLIC

Content hashes

Canonical text151119f3f7a6e9ddaea5f414446d1140d719e32dfbcd98b0f21a0a91a5cc8d9e
Markdownaae8111ba5b2bf16ad5dfede373f53e468ac834d6f8c5000436a2adaf6a84d9a
PDF
Publication pagef0710340b9195a31d2b31d842af35b34ec493043f9b511ceec04c2f8e730f2ab
Manifest3f811362d4615b6c48ddc3082659db6d7063e9efd2609dc3aef6631b8bc636ea

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
SignaturenhZbkQlmzUbCsRs6DVUOedPEL697VoanMgKIyeYSplyxgmOI7kq3BQt/8vaY5FR2ziqFLQuTMDiLGcU7mJJDAA==
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...

Independent retrieval

2026-09-17T10:48:07.757622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057582
observed f0710340b9195a31d2b31d842af35b34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:07.740962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057582/manifest.json
observed 3f811362d4615b6c48ddc3082659db6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:07.724108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057582/publication.md
observed aae8111ba5b2bf16ad5dfede373f53e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:07.704653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057582/publication.txt
observed 151119f3f7a6e9ddaea5f414446d1140...
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.