OpenTechnical

OT-2026-000103745

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000103745) never changes.

Identity and time

Publication numberOT-2026-000103745 · never reused
Internal UUID01a0aea4-e462-7daf-b645-db11c4700cbf · 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-2026-000103745
StatusPUBLIC

Content hashes

Canonical text4fe7ee75c91a49c343c8514bafa64af71ac287f3337f4da5314ec593f6c534cb
Markdown73efe8c3a8155ba61e877afd378cdf74aac17e6cd39db5e0f75cc73d0f3f9dba
PDF
Publication page806c329ef00d28efc0ca8408465c8d2589432dea7cabb57f6d60694e384e9ae9
Manifest0eaca3844f7083fef1d15fa7a9f293e8d55eb83bf18ba21a8d3756386ca56d83

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
Signaturez2yOfpEShy+HBb5Dv9LkAFI1zkAeVxf5Z3RNFzUNnZiZcBApJCT3Is6wkTmdZRQ/P25GvMIU17YVKEHBJ3JNDA==
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

2026-09-17T09:22:41.866750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103745
observed 806c329ef00d28efc0ca8408465c8d25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:41.848747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103745/manifest.json
observed 0eaca3844f7083fef1d15fa7a9f293e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:41.827968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103745/publication.md
observed 73efe8c3a8155ba61e877afd378cdf74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:41.812568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103745/publication.txt
observed 4fe7ee75c91a49c343c8514bafa64af7...
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.