OpenTechnical

OT-2026-000058444

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000058444) never changes.

Identity and time

Publication numberOT-2026-000058444 · never reused
Internal UUID01a0ae88-f39a-70c8-b5ac-1a09fc053345 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058444
StatusPUBLIC

Content hashes

Canonical text19fab0a2d0057e2614073ecdf4f7f7476b2becc79efc137f989e6061d692b81e
Markdown3f88ec66eeca33520c2982d8501cce4089a56745e68dd33d36812f4780c7f724
PDF
Publication pageda2aedb9c79e4feb6ed9d713fb6d886390e824eaf40efb7712f6b5fc0fb7458f
Manifest253477825bb2938b141b1e2abd55a1716faced874be7b172de350fca7a8f54cb

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
SignaturenRzSgtpt25RRyXekEZ1ChCLY51HvgVT1/EUDkyg9im2Db65tL2b3Ufn7MTMry92VCqyIilVkQcsvE4/lplx2CA==
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

2026-09-17T10:46:53.363649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058444
observed da2aedb9c79e4feb6ed9d713fb6d8863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:53.346738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058444/manifest.json
observed 253477825bb2938b141b1e2abd55a171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:53.327794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058444/publication.md
observed 3f88ec66eeca33520c2982d8501cce40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:53.309694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058444/publication.txt
observed 19fab0a2d0057e2614073ecdf4f7f747...
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.