OpenTechnical

OT-2026-000049618

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000049618) never changes.

Identity and time

Publication numberOT-2026-000049618 · never reused
Internal UUID01a0ae81-8fed-7da0-a83a-6a7f8ecbbe35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049618
StatusPUBLIC

Content hashes

Canonical text566cde6f8726dd04f5334560fcb62c3a5382955ced59d8dd970b1a4daf95245e
Markdowncd09bc35feee6af46b327dce0281e11cae96dd6dd8531a8679570e9b2b7fc5b8
PDF
Publication page225f72f2c7c9589710b860f9fa4c0935373573d5857c2eff5f4c2a1f6d019337
Manifest7475d1de74e41df681dfa177738b3b0ed11b86def2ed17bc3791fa9db7b59a94

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
Signaturetavhovr0YECNCym6C7uyUHqn3CrJhEBhZD4LaJZx3vKW5GL34VoHtu3RymRY4A/apfu+pDwjoUXLpCxRc4KtBQ==
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

2026-09-17T11:02:36.316013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049618
observed 225f72f2c7c9589710b860f9fa4c0935...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:36.296723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049618/manifest.json
observed 7475d1de74e41df681dfa177738b3b0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:36.276862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049618/publication.md
observed cd09bc35feee6af46b327dce0281e11c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:36.256197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049618/publication.txt
observed 566cde6f8726dd04f5334560fcb62c3a...
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.