OpenTechnical

OT-2026-000027130

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, sustained 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-2026-000027130) never changes.

Identity and time

Publication numberOT-2026-000027130 · never reused
Internal UUID01a0ae72-3454-7be5-9f49-8f89d960ac29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027130
StatusPUBLIC

Content hashes

Canonical text8b2b593667b85b829302113ecf548927093063ad9957e3198e43303145630da8
Markdownb7d5505ca6ffb464fb8e7768dce12e20b473fd5b595fa3a6953dce27876ecef7
PDF
Publication page78981605ac57eed3c9f92214eeaac3090aada63570a7f8b693d7851fcacad712
Manifest6ee0075876124ddf2e2fc67991a0d61e7cd82ed7b659aa47b5729f81d31df802

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
SignaturebUu5bMGpOruJMgFf03eXSslgvUGLOIT4agSKzRV+EYwnkJdQpA/AbzVJXpuWNFW20mi5bdbYRyCbgGX5GePkDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:54.321498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027130
observed 78981605ac57eed3c9f92214eeaac309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.305315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027130/manifest.json
observed 6ee0075876124ddf2e2fc67991a0d61e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.289423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027130/publication.md
observed b7d5505ca6ffb464fb8e7768dce12e20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:54.273395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027130/publication.txt
observed 8b2b593667b85b829302113ecf548927...
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.