OpenTechnical

OT-2026-000064491

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, pulsed 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-2026-000064491) never changes.

Identity and time

Publication numberOT-2026-000064491 · never reused
Internal UUID01a0ae8d-a461-7da3-bfad-f97a975ed52f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064491
StatusPUBLIC

Content hashes

Canonical textf037f4458945f9d87525058aee25bc6c56216b187f5cfcf093a0fa602f01d53f
Markdown78ff73cf25eb2ea3aa6046bd31194e1486ac07acfa8d79f6474bd02d70248acb
PDF
Publication pagea58ca68c7c64259273efb8ea0ff089af00c6fe0b73cb6cc93d9396d39aaa4b43
Manifest4bc6763c921c380d299a8f0a47c56f50d8c78b3c50c25abdea10296affb7c815

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
SignaturebEaQsqZHedptpwlnkPO9H8knTmsvhrkpIPebGSO2iBhKAn0muZAFiiFcqiG5WhVmvY8qA+qtPrWcnnu1VpXNCA==
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

2026-09-17T10:36:41.701799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064491
observed a58ca68c7c64259273efb8ea0ff089af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:41.682857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064491/manifest.json
observed 4bc6763c921c380d299a8f0a47c56f50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:41.662243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064491/publication.md
observed 78ff73cf25eb2ea3aa6046bd31194e14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:41.640831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064491/publication.txt
observed f037f4458945f9d87525058aee25bc6c...
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.