OpenTechnical

OT-2026-000080704

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000080704) never changes.

Identity and time

Publication numberOT-2026-000080704 · never reused
Internal UUID01a0ae96-b973-7176-b1b4-802e10970d37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080704
StatusPUBLIC

Content hashes

Canonical textecb8a583bd8fc5ee22b96ba3676952a43c1d8b609c6fb0f456a7d6f65e56958d
Markdownda82581c5eff9b3058a7f84dc2ec7878b0027a94cfecd245f45dc22db16d3605
PDF
Publication page7dce77e56c4d27316bccdf3f86335b84c05f3b5deb5f40bf18f6526960d66faa
Manifest847280409574eea3f1a780459bf1229d0bde5d561714847b2938824e27a85115

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
SignatureNH4EM3oq1knUayaMt4H2c19DpHIs3dPzeyGV6XJNvYUF+Hl7EGMlfXGJMIQ3XezGMoie2aT86LOeF/M7oGMUAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:41.411730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080704
observed 7dce77e56c4d27316bccdf3f86335b84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:41.395962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080704/manifest.json
observed 847280409574eea3f1a780459bf1229d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:41.379898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080704/publication.md
observed da82581c5eff9b3058a7f84dc2ec7878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:41.363080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080704/publication.txt
observed ecb8a583bd8fc5ee22b96ba3676952a4...
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.