OpenTechnical

OT-2026-000081783

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000081783) never changes.

Identity and time

Publication numberOT-2026-000081783 · never reused
Internal UUID01a0ae97-0f74-7dcd-bdc1-ae2f7364b40b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081783
StatusPUBLIC

Content hashes

Canonical text399b1f83406a4b2e96f1b8e5ff5a5d01a688141e5564e9603a1e90625ba24fc8
Markdownaa8c58f0155d033e2aed7795eaca4c8719156fb8e6f569282d4b98b5401d7955
PDF
Publication pagea0023ea1c088310e669a5425354bd3438b22c952cf120e44a0b1ba54069beb59
Manifest6e981387eb8170d7665b9e747b48e9b8a31f32cb8bbc9a547dbf08a4d0023ce3

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
Signature1Wbt7MFiD1M36awGY9wn641zRfMze5TJvatdh1uEqxL2+s1mge0k8k3IninSulXVaif2U6Z2iV6qghu0H89LBQ==
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

2026-09-17T09:59:52.742947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081783
observed a0023ea1c088310e669a5425354bd343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.727972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081783/manifest.json
observed 6e981387eb8170d7665b9e747b48e9b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.712576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081783/publication.md
observed aa8c58f0155d033e2aed7795eaca4c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.697323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081783/publication.txt
observed 399b1f83406a4b2e96f1b8e5ff5a5d01...
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.