OpenTechnical

OT-2026-000049371

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000049371) never changes.

Identity and time

Publication numberOT-2026-000049371 · never reused
Internal UUID01a0ae81-8f7b-7076-8745-be54159dec27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049371
StatusPUBLIC

Content hashes

Canonical textd0c86cf14f905474684cbdb7ba1a1fa97babb45d38899497a8ad31f2c1aa69f4
Markdown542a05a447ce80bfa6c3bf43ae3ba9355964ae7b977f90b1d7259c0c957bb7d7
PDF
Publication page6daf182ed9bb742ef947f03f21636243c14168b738f3fc34d1ecf58bbdc0acab
Manifest124a26a470ecde041c5dcd988962c15bdc64da05cfb61fbcd6d6d44487d93738

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
SignatureFLUA+ZS4NMxhXJWNQBM0xyZmG26miVk+Do4HKL/mz3kCxfIonR6tVGScFEBSBwZxdLve4+EReXo6jXIY9uLxBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:02:10.382704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049371
observed 6daf182ed9bb742ef947f03f21636243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.363675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049371/manifest.json
observed 124a26a470ecde041c5dcd988962c15b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.343109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049371/publication.md
observed 542a05a447ce80bfa6c3bf43ae3ba935...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.323976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049371/publication.txt
observed d0c86cf14f905474684cbdb7ba1a1fa9...
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.