OpenTechnical

OT-2026-000034074

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000034074) never changes.

Identity and time

Publication numberOT-2026-000034074 · never reused
Internal UUID01a0ae75-df0c-7d71-953b-d732ebddd896 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034074
StatusPUBLIC

Content hashes

Canonical textac7ff2c362a8cea6eb71f468ca52fbfd4bc35d361dfc766261233815d663e71e
Markdown60ae51acbfb96ae439638615c55253ef9ad088990f312dfd8254396018e8b485
PDF
Publication page6bb5a4c0abe88aedaa2054bd7c920906ea7a6c05a86ba2c917d787978a200d91
Manifest773388ba0e9a1c20eea5d4ff40db9e2bd9d6a44e548f94fb39759b8104717e3a

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
SignatureEx3xRzWB2QZvcP1nqNB+GuUEFBM7qd7WwHRyeo0f80iag6Z18xjQ4pZF+J7F5HDMCFIohSRv1pvjOmIFbgDzCA==
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

2026-09-17T11:30:19.476412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034074
observed 6bb5a4c0abe88aedaa2054bd7c920906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:19.457204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034074/manifest.json
observed 773388ba0e9a1c20eea5d4ff40db9e2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:19.423137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034074/publication.md
observed 60ae51acbfb96ae439638615c55253ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:19.402878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034074/publication.txt
observed ac7ff2c362a8cea6eb71f468ca52fbfd...
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.