OpenTechnical

OT-2026-000008868

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pulsed blow-off before 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-2026-000008868) never changes.

Identity and time

Publication numberOT-2026-000008868 · never reused
Internal UUID01a0ae6b-31b7-7312-b0ed-ab538a539363 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008868
StatusPUBLIC

Content hashes

Canonical text425363a0bbfda9ddc8d6098ed0bee0fcefe7ce02a37434d3b57de8e7c7167615
Markdown5d6b7f27e79ec30716021d7b47534b1f5377de87e5728282b1df8a874bfadccc
PDF
Publication page2903046081b73a13141a1210ca3044b0a7503863f9ad4717ddfe7b05074fc3b6
Manifestefbb3a15c453a201671192f874e771227e193495458d5de77d5fbc461c4a073e

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
SignaturelUC0zmVGRXV9W3a6L1WVqHBx9cx2x4d2wa9qLYky8f9cVZhJG9gg4Fad3ynWU6vqgg7rNaekmon00EqjGdsWDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:27.399742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008868
observed 2903046081b73a13141a1210ca3044b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:27.381796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008868/manifest.json
observed efbb3a15c453a201671192f874e77122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:27.362426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008868/publication.md
observed 5d6b7f27e79ec30716021d7b47534b1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:27.343592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008868/publication.txt
observed 425363a0bbfda9ddc8d6098ed0bee0fc...
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.