OpenTechnical

OT-2026-000060121

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented after 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-2026-000060121) never changes.

Identity and time

Publication numberOT-2026-000060121 · never reused
Internal UUID01a0ae8a-5a71-7326-b67c-5402fdb2dc8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060121
StatusPUBLIC

Content hashes

Canonical textd75869143582b27d513dbeaac87ebcc8df2cddc7e2729b60b7390cb32b2eb4a2
Markdownb7078c9d0c1daf3957b6477e6bf35d445c595373a6f21eaceea499bdfe1e219b
PDF
Publication page5243cf53443abb62bc9b368c21566200524cef8a066410cbf5888d9c49717a67
Manifestdc1af2ab1f383d20e1139ed93ad2604c20c86cdc300c8d267d0ddbac2a5429a3

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
SignatureYvM4at4j76BkPWv2vnJuMEX1Lv32LVlKQmD2gjLY3vapBWSKu6lnaRQKMXEriKCi32O9WGChHSNP3Ccy/SiSCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:46.217520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060121
observed 5243cf53443abb62bc9b368c21566200...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:46.199757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060121/manifest.json
observed dc1af2ab1f383d20e1139ed93ad2604c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:46.181795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060121/publication.md
observed b7078c9d0c1daf3957b6477e6bf35d44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:46.163652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060121/publication.txt
observed d75869143582b27d513dbeaac87ebcc8...
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.