OpenTechnical

OT-2026-000027550

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000027550) never changes.

Identity and time

Publication numberOT-2026-000027550 · never reused
Internal UUID01a0ae72-6999-79f3-81ff-25d55da68c4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027550
StatusPUBLIC

Content hashes

Canonical texta4cc3b2dc2cd1dac5a30cb4e4241878ef067c77e514a5e723ddd98abe860ced2
Markdown53c090993af895e134c9b07d1c270fd3674d78af81777268ad904b1a0f6ae3b4
PDF
Publication page6719ce0962f6ab4796f28eee1867e692bfaf443461380a2261f933137137943c
Manifestc191a9eb93bc9f7a467704cb868e8fb299b8afd599de1bbde23b0678ad58764b

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
SignatureL/2KXLUAgo6OECKIxXznFIHZ10ahr6NVZ+L381nQIwf2i1esvI42eBFdYhE2G/LATAOr0xuRLjSWkI1Mpa97Bg==
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

2026-09-17T11:43:02.308231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027550
observed 6719ce0962f6ab4796f28eee1867e692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:02.290868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027550/manifest.json
observed c191a9eb93bc9f7a467704cb868e8fb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:02.273027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027550/publication.md
observed 53c090993af895e134c9b07d1c270fd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:02.256065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027550/publication.txt
observed a4cc3b2dc2cd1dac5a30cb4e4241878e...
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.