OpenTechnical

OT-2026-000083529

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, sustained blow-off before 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-2026-000083529) never changes.

Identity and time

Publication numberOT-2026-000083529 · never reused
Internal UUID01a0ae98-0415-75db-b274-2dec41306b1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083529
StatusPUBLIC

Content hashes

Canonical texteca3687b4be0d55b9cb5105aef6c0919234f9de7cb5397fc001673bf7c794ca3
Markdown2ae21971671a50950970951a2bc4c961eef8c512ee78dcd68a31f9d693833179
PDF
Publication page07d91ddc6e74fc0acbd4148f9c82283a1c01f62c062b6baefeac6b65857459a0
Manifest1b00f208a66184b8a94709f246bbe8319b381345e29030449648f07c54d6945b

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
SignatureUrmPlZ1fyPlYMiYqLbBdpaGOJ7hB1+aQNk0pgRmGulIPpBm6d5HwWdPs3wIOl8vveXM0xwFjQfCx0u68oP7dBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:30.729808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083529
observed 07d91ddc6e74fc0acbd4148f9c82283a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:30.710642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083529/manifest.json
observed 1b00f208a66184b8a94709f246bbe831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:30.692571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083529/publication.md
observed 2ae21971671a50950970951a2bc4c961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:30.674638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083529/publication.txt
observed eca3687b4be0d55b9cb5105aef6c0919...
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.