OpenTechnical

OT-2026-000079513

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, 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-2026-000079513) never changes.

Identity and time

Publication numberOT-2026-000079513 · never reused
Internal UUID01a0ae96-0b91-76d5-8e8d-763d6030b9af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079513
StatusPUBLIC

Content hashes

Canonical text63c298119c913389915f64ac43810aea24ff8fa34d0f42badc68c45d0aac4aba
Markdownd6d224316e806eed5f034e2d244b6aec3f5176332ca8fe3e61e45f5c14ebaf35
PDF
Publication page6def1e86120be83cefa3a04e2f2f50374c03f4cfc0167187c0a2e700cbcce566
Manifest899962d44d9e030b98252aca6a931ddfe74c55443eff88aec41fcba69e6aef4c

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
SignatureogHmAtF7C217+p6DaJvvvoM7hEOk9iBKYWKW6oj8jIhUAMy+6++O3yiIOtEGAxlkFp1U2+EyyBX5Bwl133FgDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:09.202047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079513
observed 6def1e86120be83cefa3a04e2f2f5037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.180120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079513/manifest.json
observed 899962d44d9e030b98252aca6a931ddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.159900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079513/publication.md
observed d6d224316e806eed5f034e2d244b6aec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.140072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079513/publication.txt
observed 63c298119c913389915f64ac43810aea...
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.