OpenTechnical

OT-2026-000103450

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, pulsed blow-off after set-down

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-2026-000103450) never changes.

Identity and time

Publication numberOT-2026-000103450 · never reused
Internal UUID01a0aea4-e460-796b-b14e-9af3ddf90190 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103450
StatusPUBLIC

Content hashes

Canonical textc617236b2bb12fee3126aac40f7695cf74c8a95cead0b422fba618778035d1fa
Markdown7845b407014b2ccf42138468e9617b47b8ac585cdce63a83bb9db5d2dfc8dfbd
PDF
Publication page5b753d81132a6378986e218a62628c84b27a42b852149505fa4b9429abd8e275
Manifest7401b8ed784e7a5b4155a13c389fe9a3f79a7deac65644de7578695a144486e1

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
Signature0sa1aX0KpdjBYzXP8TvHAIJdtC0trnllJjeJlE4rfvcryMBwgxGy7nOXV6pUFpnM71BdVKCYQfGsN+fxegRYCQ==
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

2026-09-17T09:22:12.335676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103450
observed 5b753d81132a6378986e218a62628c84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.320164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103450/manifest.json
observed 7401b8ed784e7a5b4155a13c389fe9a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.303960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103450/publication.md
observed 7845b407014b2ccf42138468e9617b47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:12.287859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103450/publication.txt
observed c617236b2bb12fee3126aac40f7695cf...
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.