OpenTechnical

OT-2026-000015154

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000015154) never changes.

Identity and time

Publication numberOT-2026-000015154 · never reused
Internal UUID01a0ae6d-ef47-7c9d-a894-6495c0f29cc8 · 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-2026-000015154
StatusPUBLIC

Content hashes

Canonical textf695fc4f7bf7583e61c659839c65a7efb5ec3c1ceacc4f9cd70a29fc14651e0d
Markdown8767f17bb60011ae7387855e3f0a100462b3fe5da8779f43277cf00857907c73
PDF
Publication pagec10e03ef7cf345ee1f3ac85ae1e0567acadee3e6bde2a73b141ddb94b6d0d863
Manifest48a1e9953281fa3f602b43371c1563364ac94a1328714ddbe5897b0543f333a8

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
Signaturexg/UH0A3mW4/Od80b6bskgKnCgP6nyfpQZobHdWpbQAVsjfHnLYsdqOQp2PUGdZ05Z2WdPq+GuIKLMdZZ65MDg==
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

2026-09-17T12:05:45.865933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015154
observed c10e03ef7cf345ee1f3ac85ae1e0567a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:45.846036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015154/manifest.json
observed 48a1e9953281fa3f602b43371c156336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:45.826180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015154/publication.md
observed 8767f17bb60011ae7387855e3f0a1004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:45.807036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015154/publication.txt
observed f695fc4f7bf7583e61c659839c65a7ef...
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.