OpenTechnical

OT-2026-000058710

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three 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-2026-000058710) never changes.

Identity and time

Publication numberOT-2026-000058710 · never reused
Internal UUID01a0ae88-f39d-7a8b-9c57-5ef6593fba57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058710
StatusPUBLIC

Content hashes

Canonical text8dc5acdf4110dff719034e706d627d9a5894e97d62dc9061fb0021840ee8b37f
Markdown7a329bd011210a245ab6e642751c6a1b9b18486bfa681d28d9648a331802d143
PDF
Publication pagedf5eda12fc687ad562c88042408d1346b45fc435fe9a0785b0c0d97ec9adaa06
Manifest6cfcc66007b9bd13eb87fbc74ae2e3c656e81f7e16d82e2ee4416f9572c8ea38

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
SignaturewvNtzBgeYDqcrcG3g8SZrn77u0LDPd5E8uFRyPWFnXEpnacVd5prBGyL8QibUdSOTZlRs7FOB4U7aqraXmoGAA==
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

2026-09-17T10:47:14.324155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058710
observed df5eda12fc687ad562c88042408d1346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:14.306602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058710/manifest.json
observed 6cfcc66007b9bd13eb87fbc74ae2e3c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:14.289842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058710/publication.md
observed 7a329bd011210a245ab6e642751c6a1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:14.270849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058710/publication.txt
observed 8dc5acdf4110dff719034e706d627d9a...
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.