OpenTechnical

OT-2026-000054068

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000054068) never changes.

Identity and time

Publication numberOT-2026-000054068 · never reused
Internal UUID01a0ae85-b3a7-72b7-bfdf-d051c1cf017c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054068
StatusPUBLIC

Content hashes

Canonical textfb9e5d5f8c911a09cd0c98dad4bfd4419a5af5b0eec2682193443b3cd149eed4
Markdownf0a5c2351bb14db3285224addc625ed4b59078dc07870850a1b228576d13f0ea
PDF
Publication page69e0b978c18ed409706845a05c128949b215c7c33903177d1143e3c991417b18
Manifest6fd8cd8b4afbe188c02494cd0ec7989418bae5cb4b698cf1f235f6274e643b48

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
Signaturesohop0UTSAvCvF3WLbMVlEqE4VZXXb9Lh8AtCnA9HRyv7bc4Y7iosZdNGk/+lF6uGnEs4NIEutlx+jIp5gU7CQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:26.877470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054068
observed 69e0b978c18ed409706845a05c128949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:26.861680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054068/manifest.json
observed 6fd8cd8b4afbe188c02494cd0ec79894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:26.844989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054068/publication.md
observed f0a5c2351bb14db3285224addc625ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:26.825783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054068/publication.txt
observed fb9e5d5f8c911a09cd0c98dad4bfd441...
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.