OpenTechnical

OT-2026-000052435

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump 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-2026-000052435) never changes.

Identity and time

Publication numberOT-2026-000052435 · never reused
Internal UUID01a0ae84-5739-7ce2-a543-6522e86cb143 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052435
StatusPUBLIC

Content hashes

Canonical text5e3d1fe543d100d690fcfb64dddd3b6b959149a09e4a45ad9b86c21026b26352
Markdown4dd2d8c34a3c40df87c9846f30b0d1ae9aab190e3232476775f87f948db78866
PDF
Publication page063531bd4a9c0cbd8023f37b4aca0d127ca2dae6e89c777fd28aaa71617f3b04
Manifestbe380012f3207fd71302ef5c5966de17bda154ac9fd2fd0256e0b52e94855a46

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
SignatureAXXsqCbH1cFkd1QHypwufJNqgP3WMMFmMgAvyGlaw8emCrTYLtLn61IIZYj5gQXr94lnJm15CGxXeSMQHOaQCw==
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

2026-09-17T10:57:03.246837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052435
observed 063531bd4a9c0cbd8023f37b4aca0d12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:03.229796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052435/manifest.json
observed be380012f3207fd71302ef5c5966de17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:03.212620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052435/publication.md
observed 4dd2d8c34a3c40df87c9846f30b0d1ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:03.194252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052435/publication.txt
observed 5e3d1fe543d100d690fcfb64dddd3b6b...
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.