OpenTechnical

OT-2026-000055719

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000055719) never changes.

Identity and time

Publication numberOT-2026-000055719 · never reused
Internal UUID01a0ae87-09ca-7efa-8af9-25f17149d526 · 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-2026-000055719
StatusPUBLIC

Content hashes

Canonical text09cd7f86fa7dac75119238f499c97703ef594b28d4ced5fef4f3dac631bd7555
Markdown47e21ed3584ff225013302bd77cc418d1661551ec5daef3c5036308e605d042a
PDF
Publication page95234d69dd50f8cdec3774ab64097298346cd3aa5cc93d5d653510d435e4b0ca
Manifest85d7ce52b4376d43347e587d473ff7a876e41bca38684a3b757754bbba5a307d

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
SignatureySQK3wtsVSKwZR3XEQ08Jd7xVhwaB6wAkYI9gTIGSiMu9N0GrRTcKyRYU/lfyoCnENE3GEon0wVj8RpcFSYVDQ==
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

2026-09-17T10:51:03.239352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055719
observed 95234d69dd50f8cdec3774ab64097298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:03.219712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055719/manifest.json
observed 85d7ce52b4376d43347e587d473ff7a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:03.200412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055719/publication.md
observed 47e21ed3584ff225013302bd77cc418d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:03.181096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055719/publication.txt
observed 09cd7f86fa7dac75119238f499c97703...
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.