OpenTechnical

OT-2026-000042645

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000042645) never changes.

Identity and time

Publication numberOT-2026-000042645 · never reused
Internal UUID01a0ae7a-c0ce-737b-8f19-46c3fb5d0917 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042645
StatusPUBLIC

Content hashes

Canonical textc3276d966e9dc3a518cefe208f42ea35249652840b43990ae1a8ffffda443608
Markdown89e103ba8956d5b718e59ea3c9bcf6498a22abdec3596f476ce6b5e71c8dac5b
PDF
Publication page4bd4242f426eb309e794aa87558717dc5de292e35d469edd9c08f7e04be5d0d9
Manifest2190854b58f9102eb30ecacbd5bdfbe1a94b7f355f7043d1eb616995729ba419

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
Signature+nw1C8zo83IyCoBHdhC8mpBvjeGWvsFrxnZV3n2uHCQ7CQMKFLfS3K4zsC3Y75nlQd4v20XZ0Au/WllObJjABQ==
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

2026-09-17T11:14:23.007484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042645
observed 4bd4242f426eb309e794aa87558717dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:22.988193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042645/manifest.json
observed 2190854b58f9102eb30ecacbd5bdfbe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:22.968687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042645/publication.md
observed 89e103ba8956d5b718e59ea3c9bcf649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:22.949139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042645/publication.txt
observed c3276d966e9dc3a518cefe208f42ea35...
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.