OpenTechnical

OT-2026-000102813

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pulsed 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-2026-000102813) never changes.

Identity and time

Publication numberOT-2026-000102813 · never reused
Internal UUID01a0aea4-858c-7711-9747-91b08d63920d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102813
StatusPUBLIC

Content hashes

Canonical text22d176a9f24b9a4d08298ca3d23075b1d0ba38d7128391e4da4afe1b4bd89b4a
Markdown77f12d44811ac9c717f8ac7543e2056a5688c0fc26af1c1f54b77fbb90856da1
PDF
Publication page59c1cb0f50055ebb6a6f4bac52a64bb3384293a729d4f26d7c152b3aa4daa7a9
Manifest860dadb907ea65d6c7730611fe7c9ec70276d858dd5af0a9926150020acb07b0

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
Signature9wFF/aPK9BS5Q3ed8X3YmETBrjxSVvNmj5EskCL3Bg80w3XvtX0alSEsmVfwavkkNQp8zYV9DpCDyPq3L1k/AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:20.647283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102813
observed 59c1cb0f50055ebb6a6f4bac52a64bb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:20.629452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102813/manifest.json
observed 860dadb907ea65d6c7730611fe7c9ec7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:20.610871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102813/publication.md
observed 77f12d44811ac9c717f8ac7543e2056a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:20.589030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102813/publication.txt
observed 22d176a9f24b9a4d08298ca3d23075b1...
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.