OpenTechnical

OT-2026-000030664

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, sustained blow-off before 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-2026-000030664) never changes.

Identity and time

Publication numberOT-2026-000030664 · never reused
Internal UUID01a0ae74-3fb3-7a38-b602-811c1b3b2130 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030664
StatusPUBLIC

Content hashes

Canonical text281f1dbd2fbbb77822c914d1c34660ab24af9cffeeb7ba615dbd2d3ee897fe27
Markdownb5a182e7ff28cff65a760dc571399209e39b28ff525cec0b4c42bdae13e4a71a
PDF
Publication page564783be5be6f7afcb56346fa6b386253e5d75e757b446ae3efd1d7f0960a7e3
Manifestd3ae9fa0eae184707274c265d48593dec825a3ae589edbc653d61d3c9296ebb5

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
SignatureyI61vcqwiWFdLTixe9Mzokz8QXNG005oTimysgDAoA8YLKLM3maGizf0hGmeN1MUv05eRS7pvG1ELVn2z6SLAA==
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

2026-09-17T11:36:33.015908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030664
observed 564783be5be6f7afcb56346fa6b38625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.998500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030664/manifest.json
observed d3ae9fa0eae184707274c265d48593de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.981189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030664/publication.md
observed b5a182e7ff28cff65a760dc571399209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:32.963764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030664/publication.txt
observed 281f1dbd2fbbb77822c914d1c34660ab...
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.