OpenTechnical

OT-2026-000103726

Publication integrity record

Two bellows 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-2026-000103726) never changes.

Identity and time

Publication numberOT-2026-000103726 · never reused
Internal UUID01a0aea4-e462-73c5-8755-f33be8e9c130 · 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-2026-000103726
StatusPUBLIC

Content hashes

Canonical text34739e56d01404c89c88c0e4484934a43b3e3aac32421198b4dfca45adf752eb
Markdowna44a909d0599a88bda13e689116c95a3701aabb3e6ccb622a4dc0177938f6ecc
PDF
Publication page48436a02c4542d2f6cb64ec484b9722616387cbff298b972e5e66e6d3a227bc7
Manifest1be4a11b9d0165ee8b335d24cd6a8f3ba1b1a869a53c0ae867f5251dc42ad1dc

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
SignatureKWNRAUjD76mJ6jaRAp5EidLoeeVPRKC8VZfOLbYm6OfxeeT8x7EINwJPE0rP1KUecgbZCIH4MeySVmhw3APCCQ==
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

2026-09-17T09:22:32.464116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103726
observed 48436a02c4542d2f6cb64ec484b97226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.447192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103726/manifest.json
observed 1be4a11b9d0165ee8b335d24cd6a8f3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.430257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103726/publication.md
observed a44a909d0599a88bda13e689116c95a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.413152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103726/publication.txt
observed 34739e56d01404c89c88c0e4484934a4...
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.