OpenTechnical

OT-2026-000102489

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pulsed 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-2026-000102489) never changes.

Identity and time

Publication numberOT-2026-000102489 · never reused
Internal UUID01a0aea4-858a-79b6-a275-9158fbe76738 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102489
StatusPUBLIC

Content hashes

Canonical textb398a102909877ce53b4e9e6bd5939ae9f9e01d5474f0d9622e34fc788b03a4d
Markdown3c2cc22f3d5d956cf91d0b0e51c9658dd9d7dcded4607ca980389ed9ba2d4a00
PDF
Publication page37bef0625bbd778b646794b96bb51d0a2a1a8a360bce812879f00b975293dd44
Manifestae999f18cec4504b2003a1e48fa57f1d8bb81c56b04a0c5b0c64cfe36ac13fb5

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
SignatureisTq2vNKhWG/88uLp5k/vXVW9SqYhONsVr+azm94Li7pGjEGMcj7UsbwDrqlO39g6bF/XCXBkRZ8SsSvU7H/BA==
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

2026-09-17T09:23:50.668447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102489
observed 37bef0625bbd778b646794b96bb51d0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:50.650425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102489/manifest.json
observed ae999f18cec4504b2003a1e48fa57f1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:50.632345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102489/publication.md
observed 3c2cc22f3d5d956cf91d0b0e51c9658d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:50.610374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102489/publication.txt
observed b398a102909877ce53b4e9e6bd5939ae...
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.