OpenTechnical

OT-2026-000082740

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, vented after 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-2026-000082740) never changes.

Identity and time

Publication numberOT-2026-000082740 · never reused
Internal UUID01a0ae97-8cc9-75af-ac1a-ad927f4d0d73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082740
StatusPUBLIC

Content hashes

Canonical text2b7c9f77ae5ced477fbba0b84d011bbc98bc6d94f4d44dfaeb8f5735e66bf345
Markdown4290aa232e799b639176bb0aba4c69bf08f4e93936634cf09381864e78ba3b16
PDF
Publication page29dea083e718ca6e169b6c3088f73278e874285d2f357bfa694c2758a9e59cf1
Manifest50ea914495f78ffe3870515bf816f7df0c90aef54aaddfc0055aeb493d57bf8d

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
SignatureJlQTBim9JRLZINiAOlk/zjjU7/eBAonn/lqcnq6YziYUNSNgf/bpECIZCtTX7dmEAVRXWp6ijh76C4Dn8nL1BA==
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

2026-09-17T09:58:19.271944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082740
observed 29dea083e718ca6e169b6c3088f73278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.254361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082740/manifest.json
observed 50ea914495f78ffe3870515bf816f7df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.237700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082740/publication.md
observed 4290aa232e799b639176bb0aba4c69bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:19.221226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082740/publication.txt
observed 2b7c9f77ae5ced477fbba0b84d011bbc...
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.