OpenTechnical

OT-2026-000081250

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-2026-000081250) never changes.

Identity and time

Publication numberOT-2026-000081250 · never reused
Internal UUID01a0ae96-f374-731d-bc56-0e3f2bd72384 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081250
StatusPUBLIC

Content hashes

Canonical textca4956392194c92c8c094ee86b3ec1cf0ec0b7ee508c7701aaa9b22c0e8429ad
Markdown7b4db828c5b33010aff008c6f4b4b8695d28bcad61aefc273e2d44dc98aae0a8
PDF
Publication pagee889d4903eecfa06ac81d2fb60d2f47410a35d6d03b413253da9c392abfbee24
Manifest6ada74fb6a342351522ec4cc895bf085e3ea85175ac98a282740572cc7ab0645

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
SignaturePept+5pkZf9gle8oRx5aUN968mSxb0deI4sEJrhUumLH1uTQa6P+ZNrmcSxLF2UtVzBAqy4JIOat3PzURFl5Dw==
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

2026-09-17T10:01:20.525302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081250
observed e889d4903eecfa06ac81d2fb60d2f474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:20.506961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081250/manifest.json
observed 6ada74fb6a342351522ec4cc895bf085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:20.487996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081250/publication.md
observed 7b4db828c5b33010aff008c6f4b4b869...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:20.467809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081250/publication.txt
observed ca4956392194c92c8c094ee86b3ec1cf...
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.