OpenTechnical

OT-2026-000061224

Publication integrity record

Single bellows cup vacuum gripper, single 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-2026-000061224) never changes.

Identity and time

Publication numberOT-2026-000061224 · never reused
Internal UUID01a0ae8b-1381-7e8e-8b36-04685c5cd976 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061224
StatusPUBLIC

Content hashes

Canonical text124360307efe903088603a37be9950e9e58304f8ce0e8e18975b37807147ff2c
Markdownbed6e3a4baf7a1772f6e18bc8d3f1aff2e8ebc26bab913c60a7923aad824701d
PDF
Publication page66b3c6d600582a2dd7ff47424770c7143030df9b08c9f51bd8beb67793320bf3
Manifestb55e7122fcdf4a39491d1d9c655e6b222b2eb94891a5da7252a01255b500e533

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
Signaturerbbkf+cLr+2sgt0NtgSKqYVeW9eZEL7tfDe5yPi7E2ekWf3teGY70w9vWe0e9LEcWjN1XuxPmQWG2gmPhyZaAA==
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...

Independent retrieval

2026-09-17T10:42:37.841554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061224
observed 66b3c6d600582a2dd7ff47424770c714...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:37.815819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061224/manifest.json
observed b55e7122fcdf4a39491d1d9c655e6b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:37.798227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061224/publication.md
observed bed6e3a4baf7a1772f6e18bc8d3f1aff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:37.779421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061224/publication.txt
observed 124360307efe903088603a37be9950e9...
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.