OpenTechnical

OT-2026-000023688

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line 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-2026-000023688) never changes.

Identity and time

Publication numberOT-2026-000023688 · never reused
Internal UUID01a0ae70-aed4-7bec-99b0-cf58cfb36e9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023688
StatusPUBLIC

Content hashes

Canonical text7c651aeb1c95e2acb1166f173d0929e59f06886cf4f79a1c25abd5c9a645bd50
Markdownfa470bcbd3b2620aa44945ac8532c36d3c80d713872682da19ad52d87bac0ede
PDF
Publication paged3562a734b3f33bf753dcffdfe4a7b79c649a27ea9ead1f54adc88b64c32b094
Manifestc4fba72067158635aad43b77a0c9cd8b62265c5a3c434f6047c2503c97b3d6d6

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
Signaturebqu4MLDGUJiRo4uiT5h6t1TYqcVIXlOpxsWSShRI3kWssgq6y0oPpdWWRmcDvv/pAsB8hQ6RHd2Q5YI5tQUwAg==
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

2026-09-17T11:50:00.928084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023688
observed d3562a734b3f33bf753dcffdfe4a7b79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:00.908815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023688/manifest.json
observed c4fba72067158635aad43b77a0c9cd8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:00.890680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023688/publication.md
observed fa470bcbd3b2620aa44945ac8532c36d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:00.871594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023688/publication.txt
observed 7c651aeb1c95e2acb1166f173d0929e5...
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.