OpenTechnical

OT-2026-000055895

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000055895) never changes.

Identity and time

Publication numberOT-2026-000055895 · never reused
Internal UUID01a0ae87-0a49-775f-a8bb-07e902551724 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055895
StatusPUBLIC

Content hashes

Canonical textaa735ba13a15fa009c030ca063b7d333c9f7094b64e0ec1492148e979acf3207
Markdown45ef002678021e52509d793bb6a8d64f8d1cf75cca7e9a8a89a772e951438a69
PDF
Publication pagea93f753f2549c15356fe47796553296228b802725a0e9cdd0f6bb304c3b38442
Manifestef348abfb500658e167d11971c7d2dcdebd9e701c168d13c67d8e599fe7bf3d6

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
SignatureDm9jm6wd7VbMwyBdnHlj2xQwFwSfRCUVK5B39vMTa78ZmvtRMRvcbDLNre2/+MJxj3oINBZSboRmGpAG7QTiCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:23.601825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055895
observed a93f753f2549c15356fe477965532962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:23.582850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055895/manifest.json
observed ef348abfb500658e167d11971c7d2dcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:23.496195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055895/publication.md
observed 45ef002678021e52509d793bb6a8d64f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:23.320214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055895/publication.txt
observed aa735ba13a15fa009c030ca063b7d333...
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.