OpenTechnical

OT-2026-000027169

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000027169) never changes.

Identity and time

Publication numberOT-2026-000027169 · never reused
Internal UUID01a0ae72-3454-7924-b748-7c52ac91e324 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027169
StatusPUBLIC

Content hashes

Canonical text1c2a954809f286074c69bfb443d6b82c1fbea9fe922313db0e6aa9063b9c56f2
Markdowna041e4885ce77dc0f1b179cb5a7ffe849ba98825ee43700cb25c8c8e770c5416
PDF
Publication paged0a5a2f4b2eb1fc127eb2684b1db0924197507b5220b6554f2ebe970b7827c4d
Manifest580100c92a5f12ea516bd2e3a5f155756f01543e37612c567c626b719b880c45

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
SignaturePQOhsNL49TwkHk5OnSyIV8xW6zsBpxVxGZupNEdXCLKCz0bk36EK7LaKSJoCU3qMAMqpBbJIaBhArsjxGmFeAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:57.131708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027169
observed d0a5a2f4b2eb1fc127eb2684b1db0924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:57.114060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027169/manifest.json
observed 580100c92a5f12ea516bd2e3a5f15575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:57.093525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027169/publication.md
observed a041e4885ce77dc0f1b179cb5a7ffe84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:57.075678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027169/publication.txt
observed 1c2a954809f286074c69bfb443d6b82c...
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.