OpenTechnical

OT-2026-000089041

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000089041) never changes.

Identity and time

Publication numberOT-2026-000089041 · never reused
Internal UUID01a0ae9b-daff-7c2b-927e-2dc46e8a2f22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089041
StatusPUBLIC

Content hashes

Canonical text537aabc467b064e571477dcefd68a984461775ddd2e73afe4203b99474c6988a
Markdown314833c7360d07be77f8011089151ac1001c83d331c78543bef04670f2f5724f
PDF
Publication page285773f2602c8910f950ab645ae5429bd10aa87264d5ec57793a28ba498d6eea
Manifest1bed098573a5c0a47f7d2a58654db3c3c0dab40ca1a7d3b54db1d3e1e1eb74ab

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
SignatureRlIP5R4jWGLCSn/fw7r9kE1bpWZehrIf5afEsJSZ5yea2ooEc+SAfaRRR1rkxSpFz4YXOvO0ma/pCocKWd4eAg==
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

2026-09-17T09:46:56.296097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089041
observed 285773f2602c8910f950ab645ae5429b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.279553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089041/manifest.json
observed 1bed098573a5c0a47f7d2a58654db3c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.262219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089041/publication.md
observed 314833c7360d07be77f8011089151ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:56.244549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089041/publication.txt
observed 537aabc467b064e571477dcefd68a984...
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.