OpenTechnical

OT-2026-000060468

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000060468) never changes.

Identity and time

Publication numberOT-2026-000060468 · never reused
Internal UUID01a0ae8a-b7cb-7e3e-b476-d0a6b493a989 · 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-2026-000060468
StatusPUBLIC

Content hashes

Canonical text30819dd5b0f576b76f075d8de236ddeac56a0467ce7cdccfc63f7a55eb99dd37
Markdownf12ab3e57abdcfaa008371fc11cf16cff468865d74c27be67a8a7ecb0eb4054a
PDF
Publication page58a3abebd76c7146fa10d2f50e2e78a25e60ae66fedbd9128a69f500b224c222
Manifest9b79bd4ae16916335d7ab4dcae3a57b466fc562888ce5ec47130a677e583419d

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
Signatureq1ueOneamv0Xf+J9urRk4nE6cK1NN8pkV4Bo+XVbkYKE9cjLiBs1YVdPZMIQZt/V3iAAQocy2ZT6+xL3ktMsDA==
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

2026-09-17T10:42:57.409102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060468
observed 58a3abebd76c7146fa10d2f50e2e78a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:57.391983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060468/manifest.json
observed 9b79bd4ae16916335d7ab4dcae3a57b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:57.373838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060468/publication.md
observed f12ab3e57abdcfaa008371fc11cf16cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:57.357595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060468/publication.txt
observed 30819dd5b0f576b76f075d8de236ddea...
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.