OpenTechnical

OT-2026-000103421

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, 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-2026-000103421) never changes.

Identity and time

Publication numberOT-2026-000103421 · never reused
Internal UUID01a0aea4-e460-7980-ba2a-efae78167912 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103421
StatusPUBLIC

Content hashes

Canonical texta95c1072a9a164f68f922620d97980f0c47185c1c6e4578629e6e51beae0494b
Markdown915ca298db9aa84a85583464f8ff455e3256908291d392d470fed0e3ee8d166f
PDF
Publication pagebfa27fea1765317a7d58887a02754d66d859d594e2327e95ece9766734cb287f
Manifestf9490aa71e0aac3797c3e2796c9fd1d81a72c7897fa7b5df5ad3eb709fc9d20a

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
SignaturePmtBvGwCO28NqaW3aLmrHNbWdvOZ7DHkMgMkKXt8aL5k7cOLX7Ng5dAZL8xDZDdhZMANJBmRhYmfFP7X1rj+Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:10.189452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103421
observed bfa27fea1765317a7d58887a02754d66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.173002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103421/manifest.json
observed f9490aa71e0aac3797c3e2796c9fd1d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.154956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103421/publication.md
observed 915ca298db9aa84a85583464f8ff455e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.139382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103421/publication.txt
observed a95c1072a9a164f68f922620d97980f0...
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.