OpenTechnical

OT-2026-000045220

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000045220) never changes.

Identity and time

Publication numberOT-2026-000045220 · never reused
Internal UUID01a0ae7c-f769-795a-a3e6-71d973d83635 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045220
StatusPUBLIC

Content hashes

Canonical textb727b1df1e4524bdfeaa23fdd1c361cdf977614478c4220c632ddcda7be9b5af
Markdown264e841cfba829c25c690ff6a48ebccce24db4921b84829c6f7005e985f70356
PDF
Publication page4e11b33c3c04205b12e2a512a61a744c377ddd359f2726bea094683880a6dc1b
Manifest77d18127dc0fac2b75f8ce336cb0fda1629f7e7d9be8801fc5cfbf56b00cacff

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
Signaturedc4H41A3kBonNEUcWRhIl1YQaVjU7GPRK9mUpkuPBp9CQbaoj5YLA/EIEm2bqzWuJguco1BOce/kdQYibAj/Bg==
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

2026-09-17T11:10:24.750852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045220
observed 4e11b33c3c04205b12e2a512a61a744c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:24.729732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045220/manifest.json
observed 77d18127dc0fac2b75f8ce336cb0fda1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:24.709309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045220/publication.md
observed 264e841cfba829c25c690ff6a48ebccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:24.690189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045220/publication.txt
observed b727b1df1e4524bdfeaa23fdd1c361cd...
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.