OpenTechnical

OT-2026-000011538

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000011538) never changes.

Identity and time

Publication numberOT-2026-000011538 · never reused
Internal UUID01a0ae6c-88ff-7402-89ad-6590519a7b38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011538
StatusPUBLIC

Content hashes

Canonical text21a6b61ed26829993266a9385385f86176ad1219d1a176d7ce7781fa373f0f81
Markdown1fc1362591c2168b0ea5e8fa1b7a77facae1d0f2246c892c22dcaee73234cffc
PDF
Publication page701b25f8daa0002def74272aee4b84da41c12135d3242de673d0683cce454d44
Manifest54cac4ce0111017120098d8ed15aa39a506c319f7927883f3f6a2538b63fe4d2

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
SignaturerLrU3gi+AvV023in85oYCVagkuevKI+8hD1MOLce6ieXb/68PaOXzpKpchriKQXTus5ScD5IG+ZS0AXA9oajDg==
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

2026-09-17T12:13:19.684391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011538
observed 701b25f8daa0002def74272aee4b84da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.667622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011538/manifest.json
observed 54cac4ce0111017120098d8ed15aa39a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.651127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011538/publication.md
observed 1fc1362591c2168b0ea5e8fa1b7a77fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.634547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011538/publication.txt
observed 21a6b61ed26829993266a9385385f861...
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.