OpenTechnical

OT-2026-000103401

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000103401) never changes.

Identity and time

Publication numberOT-2026-000103401 · never reused
Internal UUID01a0aea4-e460-7534-b6f2-398d62f45948 · 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-2026-000103401
StatusPUBLIC

Content hashes

Canonical text8ae4d395f9400560594ba5a0271f2df3881a0a54714f36bafe50b43e87b96ac5
Markdown2c5b374bfc8a709f322d45842b00e5897ec41b8543a4109269422ae1e51b4040
PDF
Publication page9e809b312717644865419ee30c56bc8702fd260dafd484c3174af920cfa9b4c3
Manifestccd47881ad345f800080afe99aeae796fde83e4615c238b26f9481ceb5e52bab

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
Signaturel442DT+mkcLTOw6XEP3rI1fPohPVTMgCMNme3qd9Q6m5gRXU/HtnzODe+RbfOa4JjTMYnVvk11UBNSWRlv6tDg==
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

2026-09-17T09:22:08.694634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103401
observed 9e809b312717644865419ee30c56bc87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:08.677587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103401/manifest.json
observed ccd47881ad345f800080afe99aeae796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:08.659693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103401/publication.md
observed 2c5b374bfc8a709f322d45842b00e589...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:08.643709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103401/publication.txt
observed 8ae4d395f9400560594ba5a0271f2df3...
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.