OpenTechnical

OT-2026-000103833

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pulsed blow-off after set-down

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-2026-000103833) never changes.

Identity and time

Publication numberOT-2026-000103833 · never reused
Internal UUID01a0aea4-e463-773e-8d3c-ed6fba70c774 · 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-2026-000103833
StatusPUBLIC

Content hashes

Canonical text1e6edabc715b043df2d7fa1f5e8733cc62ee9a15dc546f6f92e70acba7dda57f
Markdown0353275ed6fb5b1f3066b2f07b016d2ac549074a4b200d2c919775edc4aaf1a4
PDF
Publication page248071bc4429469bd367e070d10a5ad7264d7eb97478327e22802c362700236d
Manifest319fdb024bcab7137cb4aa10b7c3cdb943929ad887489ae60a6b273dbf9f1931

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
SignatureYPy08L0Jj9TfL/U+cMdRnY0nshWCRk606jvUp++z3qnsl13d3IQyE4vwJzKQIdySYtnIQ3W5PCWcI96wmmjTAQ==
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

2026-09-17T09:22:47.510638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103833
observed 248071bc4429469bd367e070d10a5ad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.495723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103833/manifest.json
observed 319fdb024bcab7137cb4aa10b7c3cdb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.479795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103833/publication.md
observed 0353275ed6fb5b1f3066b2f07b016d2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.463680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103833/publication.txt
observed 1e6edabc715b043df2d7fa1f5e8733cc...
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.