OpenTechnical

OT-2026-000019695

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, pulsed 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-2026-000019695) never changes.

Identity and time

Publication numberOT-2026-000019695 · never reused
Internal UUID01a0ae6f-1fb3-7c74-ba8b-88b93aba6f83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019695
StatusPUBLIC

Content hashes

Canonical textc7aff60ce3dd5b89950be236a4faa5451073ea220a22503b459183745ffa984b
Markdown86f3d9b5c93fcbc79b6cb4ec5d455f55b515ee7bc7a70d31a2ebd1c913b8cd78
PDF
Publication pagebd11dd4e9dae6c7736ed317217257109f945cc68fe012c91c9b559df7946c029
Manifest43239399957d366855f161a15a5d27fa427ca45aebea2beb08fe682d0482b331

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
SignatureTcuct9iLPbaWwLVruyjRuujJvJlNgJej5QedKvAP62Pi7f48jSNKwlVMlgxPP9T27Ro0Qz5FtZzyopJcWHv3DA==
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

2026-09-17T11:57:46.610770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019695
observed bd11dd4e9dae6c7736ed317217257109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:46.591472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019695/manifest.json
observed 43239399957d366855f161a15a5d27fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:46.572774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019695/publication.md
observed 86f3d9b5c93fcbc79b6cb4ec5d455f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:46.554546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019695/publication.txt
observed c7aff60ce3dd5b89950be236a4faa545...
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.