OpenTechnical

OT-2026-000060201

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000060201) never changes.

Identity and time

Publication numberOT-2026-000060201 · never reused
Internal UUID01a0ae8a-5a73-7cc6-bf21-d5983399a037 · 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-2026-000060201
StatusPUBLIC

Content hashes

Canonical text87661e7d3c3580a63087fed3e2caca20467b82a3e42a3e92b6261325557dfecb
Markdown4bb75cdb65900cc2e9953db0dc6973da4183d599986cbe134c27e1ec8af93b8a
PDF
Publication page41c4bdfb34f9e3872cdc8d6ea7b1206003f137de82c8f55281ed2c70af5725d4
Manifest78f768c3e9f8a476a98eacf86be0267df91fdd0f0f53f14d4578d31f5b9f5d34

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
Signatureav02pE63z60CrifbX4sZZ+yTpIaW3J8PqsN6D17QwU0li4FxSWNHvkYsE27mwb6EnRpY64+ewan1FuzK9Bw9AQ==
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

2026-09-17T10:43:52.343330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060201
observed 41c4bdfb34f9e3872cdc8d6ea7b12060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:52.325902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060201/manifest.json
observed 78f768c3e9f8a476a98eacf86be0267d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:52.309098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060201/publication.md
observed 4bb75cdb65900cc2e9953db0dc6973da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:52.291395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060201/publication.txt
observed 87661e7d3c3580a63087fed3e2caca20...
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.