OpenTechnical

OT-2026-000068153

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000068153) never changes.

Identity and time

Publication numberOT-2026-000068153 · never reused
Internal UUID01a0ae8f-c4ff-7970-92d4-3ee0b651c24a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068153
StatusPUBLIC

Content hashes

Canonical textcfcb6cc7b7ba0a445009570fcc61d07dac05fd41f33326476828d61d78eb3246
Markdown837746cddbfdbd989eacce4ea452aff1ea13c0f74c4752fc72f6fd4ea716ba2c
PDF
Publication page315173589b7daec401e403e7d24780014377ded4a71b205a731fe2fbf3d08499
Manifest219b2789f814265c87b48b5e3425bfea9fe50b48d4141dd23a409e856332ecac

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
Signaturet3s3RhxP03X1rbDdAadtK2VgO1vz1a3sFp5Q5XytkvtQfCU5A+dwBEAXDFa3edQGyh5zWknvbmQrUnxvFmP0Dg==
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

2026-09-17T10:30:48.257554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068153
observed 315173589b7daec401e403e7d2478001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:48.237853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068153/manifest.json
observed 219b2789f814265c87b48b5e3425bfea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:48.211074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068153/publication.md
observed 837746cddbfdbd989eacce4ea452aff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:48.184977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068153/publication.txt
observed cfcb6cc7b7ba0a445009570fcc61d07d...
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.