OpenTechnical

OT-2026-000070760

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, vented 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-2026-000070760) never changes.

Identity and time

Publication numberOT-2026-000070760 · never reused
Internal UUID01a0ae91-8c2c-77a0-a33b-1d0a6c42978e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070760
StatusPUBLIC

Content hashes

Canonical textfcdfc313a006f717f269042df92c30271bc9d5beab38e8e83031719461ffa9d7
Markdown95c77107add4ffa88ecee1e2f507130db3fa0c7612e531cedb1a74a2bda33e00
PDF
Publication page408d80a53c28aa01be6443973d901b3435a278e39c7cc692cd151f96990a9945
Manifest1c1e42e3a0fe16bb73761271ed9df743b53490ecd32d53c6155a768cfb00a9a3

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
SignatureJ9PO1AmnDze3FRPFwt4V7mQMjJnj7aC4cZIzgPVXeTetzTyQOWnW71eYvse4PZy9xcvcjVQwlqprHOq5fR0dDg==
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

2026-09-17T10:25:27.568747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070760
observed 408d80a53c28aa01be6443973d901b34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:27.553514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070760/manifest.json
observed 1c1e42e3a0fe16bb73761271ed9df743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:27.535856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070760/publication.md
observed 95c77107add4ffa88ecee1e2f507130d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:27.519807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070760/publication.txt
observed fcdfc313a006f717f269042df92c3027...
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.