OpenTechnical

OT-2026-000015532

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, pulsed blow-off before 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-2026-000015532) never changes.

Identity and time

Publication numberOT-2026-000015532 · never reused
Internal UUID01a0ae6d-ef4a-7751-bd37-1346453495f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015532
StatusPUBLIC

Content hashes

Canonical text25c37381596b24a4676cd6b90f73aabe50a5d8fcc4d8b98553bf51806f95a049
Markdownc91dff00cda244f28b3671b23cc8449f8bd40149c984ba728abef764baa697b9
PDF
Publication page2154cd548ff3fc15e8dac0697c74098dadd4c925e41f8aa1e68bcfafe9e29d48
Manifest8785d3b51f88d844a6c9d3eb7c87f14e2da9f80f44e72d8ac7b55146ea6e4ffe

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
SignaturebzZXwmBfl15B4xFy9Bdcre5Yk/XfWO+2UpD1Ob3FOw6FxOGJX5hxArQnCz8/PzVztGsXmrQb5itoDNbSs/qqBw==
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

2026-09-17T12:06:18.644890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015532
observed 2154cd548ff3fc15e8dac0697c74098d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:18.624928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015532/manifest.json
observed 8785d3b51f88d844a6c9d3eb7c87f14e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:18.603208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015532/publication.md
observed c91dff00cda244f28b3671b23cc8449f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:18.584814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015532/publication.txt
observed 25c37381596b24a4676cd6b90f73aabe...
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.