OpenTechnical

OT-2026-000026541

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000026541) never changes.

Identity and time

Publication numberOT-2026-000026541 · never reused
Internal UUID01a0ae71-f4a9-7412-b29f-8cf34a8cc54f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026541
StatusPUBLIC

Content hashes

Canonical texte7ad90d6b459383c9069b9b86aad0250885f61df6b3d9247c9556336154257c2
Markdown4f6f8b523382728b790f012a996e85cf20c116db850d008f535338685f7ecb84
PDF
Publication page63168998903142e024ea88506f81f2b73d53d4fe85f1c424675cfb6ec0cfbe51
Manifestd007444754d1e741ff6d8a039f4e8caa46640d255c5268e9bfa2132c26d8a34e

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
SignatureKJq3/fuvorWh7ZYU5uOzdA3CEs9Pk6Ev5bFVa2/9SuSwbXjuhLi2BfZPu4SxuBwZSMJOctpCJ/q+ZK7KIvYAAQ==
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

2026-09-17T11:44:40.212419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026541
observed 63168998903142e024ea88506f81f2b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.196293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026541/manifest.json
observed d007444754d1e741ff6d8a039f4e8caa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.177145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026541/publication.md
observed 4f6f8b523382728b790f012a996e85cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:40.159431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026541/publication.txt
observed e7ad90d6b459383c9069b9b86aad0250...
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.