OpenTechnical

OT-2026-000099489

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000099489) never changes.

Identity and time

Publication numberOT-2026-000099489 · never reused
Internal UUID01a0aea2-c974-7b6e-9e35-2f0c8fd6a938 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099489
StatusPUBLIC

Content hashes

Canonical textaa828d8d80fd52c778165b63249a956126fa93a90d216f34830eddaf03d7a676
Markdown4861ff7e66f189b6507b5e52e11ad0980988484287573d46b77e59692aac4a38
PDF
Publication pagec36d5f41dcaf6402d49c2244203b7a84a6b7778e7fdf1b389604f6b7e9268547
Manifest32f44a24446328be2d0f83bf7c029b9be1c166e0a7d2e94f43d49645882c2085

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
SignatureIaJXlseQV1I6KZIXLhzcv3JhkUlbGvKO8xQx2joF+2LnjPNplRtvrFBb2StAIELohf7NdwkWDlc7ZCx3d3OPDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:22.819928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099489
observed c36d5f41dcaf6402d49c2244203b7a84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:22.801542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099489/manifest.json
observed 32f44a24446328be2d0f83bf7c029b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:22.781433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099489/publication.md
observed 4861ff7e66f189b6507b5e52e11ad098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:22.762050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099489/publication.txt
observed aa828d8d80fd52c778165b63249a9561...
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.