OpenTechnical

OT-2026-000049151

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000049151) never changes.

Identity and time

Publication numberOT-2026-000049151 · never reused
Internal UUID01a0ae81-134e-75ec-bdc7-6fa22b9ff512 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049151
StatusPUBLIC

Content hashes

Canonical textbb47d9914b424baccc5e408b4730f33a2b2b28ce46ff293f384246cdfb74bd1c
Markdownff6b876f87a36a45e6972977f4b7650b3b5212123a8a9270391ad991f5b4be10
PDF
Publication pagefd74ab0b2aaa30a200b617f519b1339c657a63f2faa631607f7d95c8516acf9c
Manifest6aa09cac6dea4b1980602746e775c98ec5949b2134b8fdfe5fb31f2f0bf8055f

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
Signatureft8wkXMeE1Klr12TJqDDwyHSsiXOrznFkc1p5VFxNbBDFvcNMPwI2r8sXrDU27WbRa61EgZkFSXr+uOzHFtbBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:03:25.599760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049151
observed fd74ab0b2aaa30a200b617f519b1339c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:25.581927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049151/manifest.json
observed 6aa09cac6dea4b1980602746e775c98e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:25.563323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049151/publication.md
observed ff6b876f87a36a45e6972977f4b7650b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:25.546441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049151/publication.txt
observed bb47d9914b424baccc5e408b4730f33a...
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.