OpenTechnical

OT-2026-000044657

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000044657) never changes.

Identity and time

Publication numberOT-2026-000044657 · never reused
Internal UUID01a0ae7c-39da-7b41-9359-80a62851fceb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044657
StatusPUBLIC

Content hashes

Canonical text91517fb093328338b41b0c35f6621b149611f1a517da3c40464bff91cc2f2cba
Markdownba5e36c3a881fc04c5ef6a4bbacbe9fefd8b5f0a0026b84a6f2aef9181aa0fe3
PDF
Publication pageadfacfdadd428202c78ed55fee5b0380c57a6e5f23cc76ebc87aea79cc622d11
Manifest01e2d4a351d0d23f53d7b77a3643020124462a736b4421e7d96b78e005557b55

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
SignatureU5kEQmk+jUaBxdBpXHJsn/+/NIPNEzg5Mg45l7wAW5gUKUsNdxggiL/UU1ydQRahSTimXYNE0ehK25QdLCrSBg==
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

2026-09-17T11:11:54.256618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044657
observed adfacfdadd428202c78ed55fee5b0380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:54.237295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044657/manifest.json
observed 01e2d4a351d0d23f53d7b77a36430201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:54.218729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044657/publication.md
observed ba5e36c3a881fc04c5ef6a4bbacbe9fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:54.199926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044657/publication.txt
observed 91517fb093328338b41b0c35f6621b14...
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.