OpenTechnical

OT-2026-000043081

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000043081) never changes.

Identity and time

Publication numberOT-2026-000043081 · never reused
Internal UUID01a0ae7b-3279-709e-86be-d654596ceeec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043081
StatusPUBLIC

Content hashes

Canonical textb1a04ddc92ab6fcbfd441e20b32255710bdb0152dd16aa7b93b53e040867b510
Markdown29311021c273af78a03c006b1955a76df01432ac4daa04549f13f2061b246451
PDF
Publication pagee2b6b04216b951dadbbf8e49d945174e04994a8bc847f4090a09aab810df5785
Manifest18086b1a5457e9c0099347e358d7db8b58452724251b0bc505612c4fc1d6e69d

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
SignatureHcFSPCPtPGLnYQskpQikBmx/v0UAcsCMIddv+WzGPjs9XYgfYw2GyaYxNXT4td8+6rQFMCesAzZorKsASwUtDw==
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

2026-09-17T11:13:29.885291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043081
observed e2b6b04216b951dadbbf8e49d945174e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:29.865838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043081/manifest.json
observed 18086b1a5457e9c0099347e358d7db8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:29.847612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043081/publication.md
observed 29311021c273af78a03c006b1955a76d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:29.828218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043081/publication.txt
observed b1a04ddc92ab6fcbfd441e20b3225571...
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.