OpenTechnical

OT-2026-000097220

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, supply line 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-2026-000097220) never changes.

Identity and time

Publication numberOT-2026-000097220 · never reused
Internal UUID01a0aea1-01ca-711f-a48f-2499b012ce5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097220
StatusPUBLIC

Content hashes

Canonical textd8d260b52245bee83ca323986e44798bdac81f11a461abdadd264b036d2239d3
Markdownd58518aa9151f98fcc46961b6b35db5b510a88e5671e45708eb2f68ff6048010
PDF
Publication page2b8eb4eff753a71e9fba4923df6503e86f1de94dbde7dcac34b88111a2939b51
Manifest5cd16f524bc39b8d9c4d3f09eea3844908efbd37f1946cd340af83391f7aacf7

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
SignatureMyODU5XgdOEklX14IKQZTeA92tgXcWAKInJ3PghrUShss8u56TiyY1BY2riGKeBLDqWeChkZQAaUkYN0/OpoDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:27.959635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097220
observed 2b8eb4eff753a71e9fba4923df6503e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:27.941252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097220/manifest.json
observed 5cd16f524bc39b8d9c4d3f09eea38449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:27.924107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097220/publication.md
observed d58518aa9151f98fcc46961b6b35db5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:27.907412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097220/publication.txt
observed d8d260b52245bee83ca323986e44798b...
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.