OpenTechnical

OT-2026-000089703

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000089703) never changes.

Identity and time

Publication numberOT-2026-000089703 · never reused
Internal UUID01a0ae9c-1a22-7485-9877-fc8466840d48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089703
StatusPUBLIC

Content hashes

Canonical text20ee478408bb13379916d2ce85d0eb720e014751ae825b6a77b58a3caaa5f75b
Markdownac5a0ebbadf9797582b16722df005be4f69c64a80e2cd1e12f39a6de63411355
PDF
Publication page033e887339ade455f3999a6fb36f01a30b3cb7f3a9d961e2835e02e62533ceb0
Manifest26bf7cb04b81e244d673e8a942e0111516b41ea340fd356f14d8011e24b05619

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
SignaturewCjkxYp14ScWeMklNIrsOYpeF4IELH5T9Sp9it5dArXkkxQi83u/FWO2J8MM4QhXa5oJPX/Fii7qA3LQ7KurBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:42.250351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089703
observed 033e887339ade455f3999a6fb36f01a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.233321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089703/manifest.json
observed 26bf7cb04b81e244d673e8a942e01115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.216396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089703/publication.md
observed ac5a0ebbadf9797582b16722df005be4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.200354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089703/publication.txt
observed 20ee478408bb13379916d2ce85d0eb72...
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.