OpenTechnical

OT-2026-000055511

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two 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-2026-000055511) never changes.

Identity and time

Publication numberOT-2026-000055511 · never reused
Internal UUID01a0ae86-a102-7100-b843-2cb6975cd107 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055511
StatusPUBLIC

Content hashes

Canonical textc6ddc7ae45ffed11dca275624efd72b4215ccc389e27aecc0395fa822dd50a03
Markdown55dea2ffb74217f546b21f5cd026448421b68224b6137457698d1643046c0ce8
PDF
Publication page139134d66d353b1add474809da4fb9adddd8c36fe38d6283f3b06966626356ce
Manifest4d526cce2209920526729b1d0b2f3e219b35db32484ff843915aa39a86ff2b8e

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
SignatureMeZvuEPDkRDztpjo0t7yQv/VIsdPA13owU5tMyu8A5wXlU9KkpoYzCSpgXnxrnVyk46Bj8KhXoQAhZw7d/0SAw==
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

2026-09-17T10:52:11.067424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055511
observed 139134d66d353b1add474809da4fb9ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:11.048221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055511/manifest.json
observed 4d526cce2209920526729b1d0b2f3e21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:11.030180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055511/publication.md
observed 55dea2ffb74217f546b21f5cd0264484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:11.012193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055511/publication.txt
observed c6ddc7ae45ffed11dca275624efd72b4...
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.