OpenTechnical

OT-2026-000026042

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000026042) never changes.

Identity and time

Publication numberOT-2026-000026042 · never reused
Internal UUID01a0ae71-a840-789e-94de-040dea2abd55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026042
StatusPUBLIC

Content hashes

Canonical textdb79d90bac2961906ad40114e2b384f8b457c7368412efaab59b1525eab7ba8f
Markdowna45a381cd3020b187ffab2d2a1958c683cb58a824842bcd5154553b0a3af0f42
PDF
Publication page6e58f1cffc79bf617da4a2ead74e46810092b9d3de3b845b68891f7234ce263b
Manifestd3be49b450b9e21c9223ba50718d56a251f70444e0f016d33aa03b11534edbff

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
Signature1elpRGVONSl9IaiXIDueUw4qIC/ObcCxxRBqAjiR1vEfhg/rgHTdZNJ+PoLLcwBl3vs4+9+/EcGxnEU2BH0pDw==
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

2026-09-17T11:46:31.374352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026042
observed 6e58f1cffc79bf617da4a2ead74e4681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:31.182510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026042/manifest.json
observed d3be49b450b9e21c9223ba50718d56a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:25.818132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026042/publication.md
observed a45a381cd3020b187ffab2d2a1958c68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:25.798838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026042/publication.txt
observed db79d90bac2961906ad40114e2b384f8...
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.