OpenTechnical

OT-2026-000052351

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off 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-2026-000052351) never changes.

Identity and time

Publication numberOT-2026-000052351 · never reused
Internal UUID01a0ae83-e792-77c3-9ccb-f3b278060b65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052351
StatusPUBLIC

Content hashes

Canonical text23ec783905c65474f6424a6503e21a13ae5864b46cd2c66bab0aa27f8066ce41
Markdownd02f9158c9f3543d15c2f8caf828a96eeadb664a08a6a31e508e07a463fe764a
PDF
Publication page804f61e3dcb0e7f6fabd86e5e6ec25f93641cc638ca6464f9ced952e8d066693
Manifest01c706d77e345d623ce8e1a757e49354eb4bb513bd4096798a7ec7fac454bdba

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
SignatureHcQpfN6vr5GQMxq/ZFdbHmbboLaFrZWClpnrdronj9ly3oFnnp0d3aOc833V1m/Ptqrq2LRzOBEtCR4pZgOQAw==
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

2026-09-17T10:58:02.800733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052351
observed 804f61e3dcb0e7f6fabd86e5e6ec25f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:02.781530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052351/manifest.json
observed 01c706d77e345d623ce8e1a757e49354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:02.764102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052351/publication.md
observed d02f9158c9f3543d15c2f8caf828a96e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:02.745895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052351/publication.txt
observed 23ec783905c65474f6424a6503e21a13...
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.