OpenTechnical

OT-2026-000043948

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000043948) never changes.

Identity and time

Publication numberOT-2026-000043948 · never reused
Internal UUID01a0ae7b-d678-7635-b1f6-2caab00e98fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043948
StatusPUBLIC

Content hashes

Canonical textff50934f83151d92928a37c5a16dc6632f6705b63972d4ebf774cf54c1fa9311
Markdown8c752ec7784977a07ab01631f16684daddd6a03a3a79bef10cc6812ff834147f
PDF
Publication page9e56f0ca64e206b43e8eb1e7d1e171d4c1448d9dc67118358df1d7fb0b67639c
Manifeste57281ef4568837effe7ed3e3061db7286f6ecd0c80333e1d5b03b3cb08d73ca

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
Signature2RsRkkgce2E/qjDabgkxuZTJdLqPOihkc6GasNREFKYXO74GGG8Xc8wwqFd7rnlsKCL7ptsdeDO9ENKKvVzhBg==
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

2026-09-17T11:12:18.132972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043948
observed 9e56f0ca64e206b43e8eb1e7d1e171d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.115074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043948/manifest.json
observed e57281ef4568837effe7ed3e3061db72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.095764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043948/publication.md
observed 8c752ec7784977a07ab01631f16684da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.075173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043948/publication.txt
observed ff50934f83151d92928a37c5a16dc663...
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.