OpenTechnical

OT-2026-000103789

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single 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-2026-000103789) never changes.

Identity and time

Publication numberOT-2026-000103789 · never reused
Internal UUID01a0aea4-e463-705c-9c39-152f77287565 · 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-2026-000103789
StatusPUBLIC

Content hashes

Canonical text878c8ff602b3225331cd184602bb4a845223086bdfab998042bc50a6aa29cace
Markdown18198428234882feef3a486b8d1d66b69416f9a5a0c096e8c38991fa51f44414
PDF
Publication pageeb195866ce264ebe0bcc8657e0105e67bbd1d61e79ba4fce1549f8712e13cf4e
Manifestae04eb49027c3f88344f119dbd858414ff3b5c4340be9a205f2e03a4acec2df6

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
Signature34CYjDd+nk0tG8hTHWnlDVDQNPOXDR4uct+M+nD1TINwryIQmnLBlchc5tScgg3H6454zP7ynemNQwrf3ktGDg==
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

2026-09-17T09:22:44.554001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103789
observed eb195866ce264ebe0bcc8657e0105e67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.536595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103789/manifest.json
observed ae04eb49027c3f88344f119dbd858414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.520785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103789/publication.md
observed 18198428234882feef3a486b8d1d66b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:44.505228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103789/publication.txt
observed 878c8ff602b3225331cd184602bb4a84...
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.