OpenTechnical

OT-2026-000080710

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000080710) never changes.

Identity and time

Publication numberOT-2026-000080710 · never reused
Internal UUID01a0ae96-b973-7b5f-9875-f1cec69d0375 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080710
StatusPUBLIC

Content hashes

Canonical text8f6e8d4354fa1d4584d80e1926859606435bb0ad94d71d620aedd1e83e8653f0
Markdown72fcee2cbe5357b93005e409f1fe95e243acc77c1fceec7471fef4710cda908c
PDF
Publication paged9d6621a2122085fa1b1a2b0fc77f390e6940e0757f89761b42fb27d30a318ce
Manifest307903a79b8d2d81f51cdae70b631e7e63848d2c9909408c703d6f137af5cd65

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
SignatureEvm/b+GEgiW9dpfCgnMkxP6MzJgI29tvV9woq9WiERs3Kw2qVCo9fx3I+IrgmPKfErOhb2UKzJzaRkQy+te9DQ==
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

2026-09-17T10:01:44.548884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080710
observed d9d6621a2122085fa1b1a2b0fc77f390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.531410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080710/manifest.json
observed 307903a79b8d2d81f51cdae70b631e7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.512150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080710/publication.md
observed 72fcee2cbe5357b93005e409f1fe95e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:44.490406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080710/publication.txt
observed 8f6e8d4354fa1d4584d80e1926859606...
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.