OpenTechnical

OT-2026-000025005

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000025005) never changes.

Identity and time

Publication numberOT-2026-000025005 · never reused
Internal UUID01a0ae71-2728-7617-b461-7bf6c5327eb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025005
StatusPUBLIC

Content hashes

Canonical text022790eb3e1e4bc2e650438f576ac83e291ba9fee40fd212875d61b626872a5f
Markdownd3d59c6f00f515f816e2f350140986fafa7f44c301a40eb879ca337ed518f2b1
PDF
Publication pageb8f73fdd5f6a0432a813697d3f0367826343dda732bf88a5b22a8836b4c2221c
Manifestd93f908ebb2bc668308a509572701997b6b096e8db052b88087ed2fdc3fffbc6

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
SignatureI1JmDrfk8szVSZJaLoJBnmEKL/tOWZSOIAPNfsedy6UVwt4LZw+x/cWTAEDGMRdkyatCQYngsCu0FIkMMxA6AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:48:24.170413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025005
observed b8f73fdd5f6a0432a813697d3f036782...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:24.151936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025005/manifest.json
observed d93f908ebb2bc668308a509572701997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:24.131523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025005/publication.md
observed d3d59c6f00f515f816e2f350140986fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:24.112090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025005/publication.txt
observed 022790eb3e1e4bc2e650438f576ac83e...
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.