OpenTechnical

OT-2026-000099887

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, 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-2026-000099887) never changes.

Identity and time

Publication numberOT-2026-000099887 · never reused
Internal UUID01a0aea3-1473-780a-afe6-5460ee444eac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099887
StatusPUBLIC

Content hashes

Canonical text5dfcde3f4b707d24d9801700dd43ba53032163dc8a0c16ac7cbd71d1787ca1e8
Markdown0c28840098e944abeaec1b29f4ca8476a308c1913674923f120f61c5f8177875
PDF
Publication pagebf0cc9be001c7fa5158d733f6ef96a20101c4d632008c895a082b2fab655f192
Manifestb6bf143f76f685ffea7a0c2de0d02a7771019c98c88a6d66ac17a7530ac9f5c6

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
Signature15oPh8tch56qj3MT6edoNkwvZQz1dltNaRhQRNC2YlkNtzLfHufQ0apfj8of69W0GspdrCXcWeMzq0PuDVBSCQ==
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

2026-09-17T09:30:31.056239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099887
observed bf0cc9be001c7fa5158d733f6ef96a20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.031491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099887/manifest.json
observed b6bf143f76f685ffea7a0c2de0d02a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:31.009409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099887/publication.md
observed 0c28840098e944abeaec1b29f4ca8476...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.989314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099887/publication.txt
observed 5dfcde3f4b707d24d9801700dd43ba53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.765525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099887
observed bf0cc9be001c7fa5158d733f6ef96a20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.745628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099887/manifest.json
observed b6bf143f76f685ffea7a0c2de0d02a77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.727005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099887/publication.md
observed 0c28840098e944abeaec1b29f4ca8476...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:46.707187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099887/publication.txt
observed 5dfcde3f4b707d24d9801700dd43ba53...
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.