OpenTechnical

OT-2026-000061019

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000061019) never changes.

Identity and time

Publication numberOT-2026-000061019 · never reused
Internal UUID01a0ae8b-12f3-79e7-9343-5fa33da7c769 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061019
StatusPUBLIC

Content hashes

Canonical text22dd3577480478ecd78c6a2e96690e2ec07ec75a56e426ea008d9e7feae33d21
Markdownf2cc8665f0a99d8fa8038cf8754d791bad8668a1fc04a2d548cdb5c90c5191e6
PDF
Publication page6c107ec8f5893d23bc957c6f807a5d8409ecd59365ae60f5b1ad42e58ff5ceb7
Manifest4388527e3609c62e538e08f998a731f3dba0ffae84da8936532e62b7737c4237

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
SignatureWsUCDW6f+LA9tzyouadvH45tm/IQKmZMdc3mZQi3RUlRk8z7AWhLKeS+L5R72k6AOgfDws9HHRzMHAZPtJrlCw==
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

2026-09-17T10:42:21.773753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061019
observed 6c107ec8f5893d23bc957c6f807a5d84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:21.753420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061019/manifest.json
observed 4388527e3609c62e538e08f998a731f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:21.732543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061019/publication.md
observed f2cc8665f0a99d8fa8038cf8754d791b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:21.713352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061019/publication.txt
observed 22dd3577480478ecd78c6a2e96690e2e...
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.