OpenTechnical

OT-2026-000012875

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single 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-2026-000012875) never changes.

Identity and time

Publication numberOT-2026-000012875 · never reused
Internal UUID01a0ae6d-5563-7e94-8939-6c846f3f1169 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012875
StatusPUBLIC

Content hashes

Canonical text8d826b235f730219bf4667ee0b84f5e39571c9c4df5199536cde9f8bbc5d46d0
Markdown214f40496dd069fffb7fd4165635b89542405fb3d494652742a14c5e22a34d05
PDF
Publication page516155d99890f2be2c44b45fdc37337402ec8282a70bceb3e98828b1639daeeb
Manifest0b8e328c39ef3f1e24d7c309041e2e3a6cbba95524e5e08d077d39325135eff5

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
Signaturei3vWZSTMYIymhpK04aKPrTsUKvrxS2JchLnIgAg5ZxX8OOLMOdMxX4DTmgzkmaUPpu+YoESCsdq3FtN2rG7QAg==
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

2026-09-17T12:10:39.625321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012875
observed 516155d99890f2be2c44b45fdc373374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:39.605532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012875/manifest.json
observed 0b8e328c39ef3f1e24d7c309041e2e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:39.587064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012875/publication.md
observed 214f40496dd069fffb7fd4165635b895...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:39.570450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012875/publication.txt
observed 8d826b235f730219bf4667ee0b84f5e3...
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.