OpenTechnical

OT-2026-000101969

Publication integrity record

Three cup vacuum gripper, three 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-2026-000101969) never changes.

Identity and time

Publication numberOT-2026-000101969 · never reused
Internal UUID01a0aea4-50f1-79bb-8e63-9504e0164587 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101969
StatusPUBLIC

Content hashes

Canonical text594bdc2f1f7b2fbdcfb458d81bcc00a974d183a67b646eb85264f735d1e299d5
Markdownc84bc410256e5f77effba3dacfd234a25930cf46fc3df124d6744b950d27b80e
PDF
Publication pagec235146ae977cc40af358797baf41ab03965baada967cbfcfa9337b54816eb6f
Manifest40eae0aa02c48a9b57f62f34da2d8cccacd02a35d1f659a4d1a55004aaf0270a

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
SignatureeVUuHAzaLrMjXg2vmeZnb+RSP7dKnuqu8S2sytyrdmqDQPMSZW1metj5lX2TUk/3LLkkZ8HVc0nUcOfZR/AXCA==
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

2026-09-17T09:25:05.504346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101969
observed c235146ae977cc40af358797baf41ab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:05.487116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101969/manifest.json
observed 40eae0aa02c48a9b57f62f34da2d8ccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:05.469000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101969/publication.md
observed c84bc410256e5f77effba3dacfd234a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:05.449522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101969/publication.txt
observed 594bdc2f1f7b2fbdcfb458d81bcc00a9...
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.