OpenTechnical

OT-2026-000042858

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000042858) never changes.

Identity and time

Publication numberOT-2026-000042858 · never reused
Internal UUID01a0ae7a-c0d1-72af-a18c-443e4c7822a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042858
StatusPUBLIC

Content hashes

Canonical text89788b46efcaf3f46a3b3b0e5c03dd54898aa1dcd044e5faf49de326175361d0
Markdown400946698af32b69e28f37a89359a2ddd759e5037788a56cc933d4dc5a6c57b4
PDF
Publication page27c08e646529ee3e880a8e0630ff5164ccbbe2fc2267d6c551e8f98378237050
Manifest33683a8c2fa933620db0bd6972dfc4d010a22222781458b386dee7478506d59e

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
Signaturefglosfmx135vtT3BTu/0QStTx3r7CMTzkeTjPoV0tbw9JSiUWfcGxa9Mine7X+8Z4Ky3KloAjqfZYZeRQUAeBg==
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

2026-09-17T11:15:21.030672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042858
observed 27c08e646529ee3e880a8e0630ff5164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:21.013917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042858/manifest.json
observed 33683a8c2fa933620db0bd6972dfc4d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:20.994051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042858/publication.md
observed 400946698af32b69e28f37a89359a2dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:20.974034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042858/publication.txt
observed 89788b46efcaf3f46a3b3b0e5c03dd54...
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.