OpenTechnical

OT-2026-000060528

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000060528) never changes.

Identity and time

Publication numberOT-2026-000060528 · never reused
Internal UUID01a0ae8a-b7cc-7a67-b08f-e0115511d07b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060528
StatusPUBLIC

Content hashes

Canonical textefc0a8b96a8c7a9d9d6c7bded83b998d774437bb2dd21323922c6a38750ee00a
Markdowneb2b4ba0bc5c798702c718bdd21f7e14694aa605eabe1b1604c166d02a1791da
PDF
Publication pagefdef28cd0b00b6a5141cb1ef15b7b0c7c8e3f46f573efc0fd083962777046b0b
Manifestcde7cee55b9ad6bafd57d4c43e7233557b9d9164ffd79ed5900e79f950c2a9ec

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
SignatureYpIRG19De0MrrGZGppxHPnnhqMUk9rNwDcV1PJuJyqdQqvv1GvgVX8tkOrRQZds9mm0cnXccWXftoLjk96FLCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:08.061783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060528
observed fdef28cd0b00b6a5141cb1ef15b7b0c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:08.044893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060528/manifest.json
observed cde7cee55b9ad6bafd57d4c43e723355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:08.023836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060528/publication.md
observed eb2b4ba0bc5c798702c718bdd21f7e14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:08.006393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060528/publication.txt
observed efc0a8b96a8c7a9d9d6c7bded83b998d...
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.