OpenTechnical

OT-2026-000052872

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000052872) never changes.

Identity and time

Publication numberOT-2026-000052872 · never reused
Internal UUID01a0ae84-a42f-791a-bcf0-c65e6fa257f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052872
StatusPUBLIC

Content hashes

Canonical textd5846367047083da44eda0bb2b0f8e5b207a804125f4273a0b94350c9db78fd0
Markdown70056462ad965ef6287be90bcddad067826ebe8a6e7877607f40880f7a704961
PDF
Publication paged6861210551e949217387503524ea63e37fa274a28244ab777eb854e14b87407
Manifest258eed622c046b85bfdec1269146c2d6a7e238fa3d7189cedb7b01c5825722a9

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
SignaturexEJTJC+BPumCVYX8/tKNB1G3SZntOlseGMandw6oq9yd4Oe2CPQRlGUJwL8s0d+x5haXJhZb3EzrNZCsnHcjAg==
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

2026-09-17T10:56:30.376238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052872
observed d6861210551e949217387503524ea63e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:30.359880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052872/manifest.json
observed 258eed622c046b85bfdec1269146c2d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:30.342410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052872/publication.md
observed 70056462ad965ef6287be90bcddad067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:30.325000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052872/publication.txt
observed d5846367047083da44eda0bb2b0f8e5b...
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.