OpenTechnical

OT-2026-000074124

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000074124) never changes.

Identity and time

Publication numberOT-2026-000074124 · never reused
Internal UUID01a0ae93-7177-74d7-a9ab-ab448889d85d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074124
StatusPUBLIC

Content hashes

Canonical text284c2d5ceaa2f47dbe333981b9d97123d5c9643c83bb3bc73b3d97c9dde8d9eb
Markdowne61302704369fbd284eb75f145d49f4a4ce9b98c6f8aaf3870bea2e74947a111
PDF
Publication page84b5391d1254535f796df04dde5ed8b160a44cc470f4df9578c2be402153914b
Manifest63d9c35c3a895b9524d322c3a6ea88006c2394c0ff25af1d7f770f97be63a057

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
Signaturecxj1IW2CO+/WmGR28H6YBjdH4aXfi7/ouNeVtrqBBPKMTnPEAihdAxAe2zCJlQdpxm+gG3Y9zYS56XnL15J+Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:57.939118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074124
observed 84b5391d1254535f796df04dde5ed8b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:57.920376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074124/manifest.json
observed 63d9c35c3a895b9524d322c3a6ea8800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:57.902885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074124/publication.md
observed e61302704369fbd284eb75f145d49f4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:57.885666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074124/publication.txt
observed 284c2d5ceaa2f47dbe333981b9d97123...
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.