OpenTechnical

OT-2026-000056848

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, sustained 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-2026-000056848) never changes.

Identity and time

Publication numberOT-2026-000056848 · never reused
Internal UUID01a0ae87-7af8-77d8-9daa-ade119f091ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056848
StatusPUBLIC

Content hashes

Canonical textdf8c875c8cb96f05c15a5b177b852684de06b63afadc29b3b2368187e72e429d
Markdown3e09c787ac97c4c63bcaa51bb9078c9b78a86c1742fb24164071edca9a22234e
PDF
Publication pagef18916566a64133b80063d5f5db48bc0fde3a46f3756093d3f85ef410717f06f
Manifestf37524bd228910e3785fe708371c6f357697056f0349abdd270c553af3294511

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
SignatureOLe2cAh47s0dvPgrYjy9gPuQ1nxsGlEuG+lWsSQkekVubADJg7BINYIu1NLaaiKVxSQGKnkA0VefjFCoY1z7AA==
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

2026-09-17T10:50:20.894861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056848
observed f18916566a64133b80063d5f5db48bc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:20.875826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056848/manifest.json
observed f37524bd228910e3785fe708371c6f35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:20.856014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056848/publication.md
observed 3e09c787ac97c4c63bcaa51bb9078c9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:20.836403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056848/publication.txt
observed df8c875c8cb96f05c15a5b177b852684...
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.