OpenTechnical

OT-2026-000060669

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, vented 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-2026-000060669) never changes.

Identity and time

Publication numberOT-2026-000060669 · never reused
Internal UUID01a0ae8a-b7cd-7ecc-a68f-a10a62f8ab0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060669
StatusPUBLIC

Content hashes

Canonical text1cc8bbe1bb0b13cee701b566ddea43eb4dfc6bfdbae399b26b15bc28ed4bcf96
Markdown1fd735b3e136bfc55e9636a6a20dacb3f51abd29345f3361372d1ae18363c3a3
PDF
Publication paged651a5ac261c96bade329b093562becf8b51b4deca6f41cd6dbf920510d40ad6
Manifest21834e1eb55f4ca52171a8e157c7c402da47e7629ed49c66573494dafaa9708c

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
Signaturekp+3VNgXX6eDdHkp8wIwS7Ki4iNsiam5IudqPTluVLNvuURMfeqiUtvoAv7yKBOoocmhTCrOULYUmH9e0I8gDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:18.494023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060669
observed d651a5ac261c96bade329b093562becf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:18.476756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060669/manifest.json
observed 21834e1eb55f4ca52171a8e157c7c402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:18.457707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060669/publication.md
observed 1fd735b3e136bfc55e9636a6a20dacb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:18.440472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060669/publication.txt
observed 1cc8bbe1bb0b13cee701b566ddea43eb...
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.