OpenTechnical

OT-2026-000036451

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000036451) never changes.

Identity and time

Publication numberOT-2026-000036451 · never reused
Internal UUID01a0ae77-01d1-7eb3-91bc-6a0c1dd52349 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036451
StatusPUBLIC

Content hashes

Canonical textbd7a97cc96a31f9624697e107059a3c2376c96b0743148aec6e45ade048d3637
Markdown3df86828815ba7d90b1b37bc657add9a07b20157323315d2c9ae1478ce1e91a4
PDF
Publication page21fce9dc54262ae4d4c13fd8c44941cf0016810d9d0d123b3c4c45847b91d296
Manifesta2336ccd875a137bd02660521c6c845ee961fd67eb322f7e220b447f8305a36f

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
SignaturewGlo54geivoTby4+CBuxCYkxp0Ot9kigfIZse0CJt0fRPwQHodQb//ZLuKCbh2L31UdJd8XFNUbXgxD/5pfLBA==
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

2026-09-17T11:26:51.056901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036451
observed 21fce9dc54262ae4d4c13fd8c44941cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:51.039776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036451/manifest.json
observed a2336ccd875a137bd02660521c6c845e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:51.022229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036451/publication.md
observed 3df86828815ba7d90b1b37bc657add9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:51.005601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036451/publication.txt
observed bd7a97cc96a31f9624697e107059a3c2...
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.