OpenTechnical

OT-2026-000070426

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000070426) never changes.

Identity and time

Publication numberOT-2026-000070426 · never reused
Internal UUID01a0ae91-545f-7c6d-a5e4-215d048653c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070426
StatusPUBLIC

Content hashes

Canonical textfa9a333ce7976eaad9844351a2564d10326dc1094088644a5b32f11cefe6315d
Markdowna0c6167553fda478ad3dadbb334cf80c48f5d4e1c422073637c817b3406cb277
PDF
Publication page51521b5ad0e7f529fee7b6a09a129fd3590d9f033aa271f3da0e67cf562f09a4
Manifestafc0193b4cf1162e6da33380629ef05b62aef735cd949e492a154eaa1b0dbf63

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
SignaturepGjvWvc4d3BfnrfRIk9oWZchGc+uIasue3U3W/wzIgGaQvALCPK39Y4VswJmRaCa1ER2X1X8BgHVLRbL8w7qBg==
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

2026-09-17T10:26:14.525638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070426
observed 51521b5ad0e7f529fee7b6a09a129fd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.507110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070426/manifest.json
observed afc0193b4cf1162e6da33380629ef05b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.487535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070426/publication.md
observed a0c6167553fda478ad3dadbb334cf80c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:14.469837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070426/publication.txt
observed fa9a333ce7976eaad9844351a2564d10...
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.