OpenTechnical

OT-2026-000041580

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, pulsed blow-off after set-down

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-2026-000041580) never changes.

Identity and time

Publication numberOT-2026-000041580 · never reused
Internal UUID01a0ae79-e8a0-7576-8441-af2cf1186108 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041580
StatusPUBLIC

Content hashes

Canonical textc0f7756132c863b18872859814f788fd511d0269e94933211581152f789baec1
Markdown81c03cf4ea99b30c8efd497f187a94c7a833426b575813551730f687b384065f
PDF
Publication page92d100f789bb680492794004ce4b435053b2a007b21466afd6c4b066c241ad29
Manifest57951434b40e176fa40a3476e56fbd9e05e6eb79b27ba71f511737b553e23819

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
SignatureO2n/lSmvun3gnSINNzb7c5KWNv+MDVPjzYeIqr8V8ELrbW+QSlysforqbejXTCHYmI20Pb+t2XC+v5GU/PdnBQ==
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

2026-09-17T11:16:21.890171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041580
observed 92d100f789bb680492794004ce4b4350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.872087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041580/manifest.json
observed 57951434b40e176fa40a3476e56fbd9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.851820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041580/publication.md
observed 81c03cf4ea99b30c8efd497f187a94c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:21.832463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041580/publication.txt
observed c0f7756132c863b18872859814f788fd...
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.