OpenTechnical

OT-2026-000019216

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000019216) never changes.

Identity and time

Publication numberOT-2026-000019216 · never reused
Internal UUID01a0ae6e-f391-70e7-bee3-946a68c763d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019216
StatusPUBLIC

Content hashes

Canonical text9596d855f50eaa99cb8a5f5e449db8569b0be9cdf75536e5939e189c613505c4
Markdown62db3ae338ec1e3264ef16879eb4065d87c46654c4226e45fa79d35108bcbe52
PDF
Publication page79dffaffa0f41d14574fae1aacade4c337d78a57ac244b4f84a14004174eaf8f
Manifest1c07b83f3c4764b03fdc18f357a9ea05138ad9443e540c9b6e7581e4d5a55407

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
Signaturez+ViFURAAAvABLPjGAsRsO3hOkpiJaQRjH8KQ49+WpBpeyAR5hzvRm2NKpGKSqql5YJSzw0dMmWCGzoQGrcEDQ==
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

2026-09-17T11:58:32.347520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019216
observed 79dffaffa0f41d14574fae1aacade4c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:32.330224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019216/manifest.json
observed 1c07b83f3c4764b03fdc18f357a9ea05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:32.312541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019216/publication.md
observed 62db3ae338ec1e3264ef16879eb4065d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:32.295123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019216/publication.txt
observed 9596d855f50eaa99cb8a5f5e449db856...
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.